diff --git a/Kconfig b/Kconfig
index b01ba30e32..f698f8dc82 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1858,7 +1858,7 @@ config DEBUG_TCBINFO
 	bool "Enable TCBinfo struct for debug"
 	default n
 	---help---
-		Enables tcbinfo struct for debugger infomation.
+		Enables tcbinfo struct for debugger information.
 		Selecting this option will enable g_tcbinfo in arch and
 		procfs.
 
diff --git a/arch/arm/src/common/arm_backtrace_thumb.c b/arch/arm/src/common/arm_backtrace_thumb.c
index 8e4497fa04..3ef6339023 100644
--- a/arch/arm/src/common/arm_backtrace_thumb.c
+++ b/arch/arm/src/common/arm_backtrace_thumb.c
@@ -126,7 +126,7 @@ static int getlroffset(uint8_t *lr)
  *   pc    - Program counter address
  *
  * Returned Value:
- *   A boolean value: true the counter is vaild
+ *   A boolean value: true the counter is valid
  *
  ****************************************************************************/
 
diff --git a/arch/arm/src/phy62xx/log.h b/arch/arm/src/phy62xx/log.h
index 3f6951000a..4ee8840acc 100644
--- a/arch/arm/src/phy62xx/log.h
+++ b/arch/arm/src/phy62xx/log.h
@@ -104,7 +104,7 @@ extern "C"
 #define LOG_LEVEL_NONE  0 /* no log output */
 #define LOG_LEVEL_ERROR 1 /* only log error */
 #define LOG_LEVEL_DEBUG 2 /* output debug info and error info */
-#define LOG_LEVEL_LOG   3 /* output all infomation */
+#define LOG_LEVEL_LOG   3 /* output all information */
 
 #define LOG_INIT()                  {hal_uart_init(115200, P9, P10, NULL);}
 
diff --git a/arch/arm/src/samv7/Kconfig b/arch/arm/src/samv7/Kconfig
index 0b29d2cffb..7f0c9f1dda 100644
--- a/arch/arm/src/samv7/Kconfig
+++ b/arch/arm/src/samv7/Kconfig
@@ -423,7 +423,7 @@ config SAMV7_AFEC_DMASAMPLES
 	default 2
 	depends on SAMV7_AFEC_DMA
 	---help---
-		Number of DMA samples to be transfered. Number of samples less than
+		Number of DMA samples to be transferred. Number of samples less than
 		2 might be inneficient.
 
 choice
@@ -496,7 +496,7 @@ config SAMV7_AFEC_DMASAMPLES
 	default 2
 	depends on SAMV7_AFEC_DMA
 	---help---
-		Number of DMA samples to be transfered. Number of samples less than
+		Number of DMA samples to be transferred. Number of samples less than
 		2 might be inneficient.
 
 choice
diff --git a/arch/arm/src/tlsr82/tc32/tc32_backtrace.c b/arch/arm/src/tlsr82/tc32/tc32_backtrace.c
index d5b1e46c37..0995a8f527 100644
--- a/arch/arm/src/tlsr82/tc32/tc32_backtrace.c
+++ b/arch/arm/src/tlsr82/tc32/tc32_backtrace.c
@@ -112,7 +112,7 @@ static int getlroffset(uint8_t *lr)
  *   pc    - Program counter address
  *
  * Returned Value:
- *   A boolean value: true the counter is vaild
+ *   A boolean value: true the counter is valid
  *
  ****************************************************************************/
 
diff --git a/arch/arm/src/tlsr82/tlsr82_gpio.c b/arch/arm/src/tlsr82/tlsr82_gpio.c
index 31be903d30..30ab2d76b4 100644
--- a/arch/arm/src/tlsr82/tlsr82_gpio.c
+++ b/arch/arm/src/tlsr82/tlsr82_gpio.c
@@ -610,7 +610,7 @@ int tlsr82_gpiounconfig(gpio_cfg_t cfg)
 {
   gpio_cfg_t pinset;
 
-  /* Get the pin infomation in cfg */
+  /* Get the pin information in cfg */
 
   pinset = GPIO_CFG2PIN(cfg);
 
diff --git a/arch/arm/src/tlsr82/tlsr82_serial.c b/arch/arm/src/tlsr82/tlsr82_serial.c
index afff384004..6b28d0a122 100644
--- a/arch/arm/src/tlsr82/tlsr82_serial.c
+++ b/arch/arm/src/tlsr82/tlsr82_serial.c
@@ -670,7 +670,7 @@ static void uart_dma_send(uart_priv_t *priv, char *buf, size_t len)
     }
 
   /* Copy the driver buffer to dma buffer, this is necessary because
-   * the first 4 bytes of the buffer must be the transfered size, which
+   * the first 4 bytes of the buffer must be the transferred size, which
    * is telin dma peripheral required.
    * NOTE: the memcpy better be ramcode.
    */
diff --git a/arch/renesas/src/m16c/chip.h b/arch/renesas/src/m16c/chip.h
index 624df1bcd3..2992d51489 100644
--- a/arch/renesas/src/m16c/chip.h
+++ b/arch/renesas/src/m16c/chip.h
@@ -76,8 +76,8 @@
  * specific chips do not support external RAM.
  */
 
-/* Each part has a different amount on on-chip FLASH.  The ending FLASH address is
- * 0xfffff for all chips, but the starting address varies depening on the amount
+/* Each part has a different amount of on-chip FLASH.  The ending FLASH address is
+ * 0xfffff for all chips, but the starting address varies depending on the amount
  * of on-chip FLASH.
  */
 
@@ -101,7 +101,7 @@
 #define M16C_PM1           0x00005    /* Processor mode 1 */
 #define M16C_CM0           0x00006    /* System clock control 0 */
 #define M16C_CM1           0x00007    /* System clock control 1 */
-#define M16C_AIER          0x00009    /* Addrese match interrupt enable */
+#define M16C_AIER          0x00009    /* Address match interrupt enable */
 #define M16C_PRCR          0x0000a    /* Protect */
 #define M16C_CM2           0x0000c    /* Oscillation stop detection */
 #define M16C_WDTS          0x0000e    /* Watchdog timer start */
diff --git a/arch/renesas/src/rx65n/rx65n_usbhost.h b/arch/renesas/src/rx65n/rx65n_usbhost.h
index 15c6025174..0e455992d7 100644
--- a/arch/renesas/src/rx65n/rx65n_usbhost.h
+++ b/arch/renesas/src/rx65n/rx65n_usbhost.h
@@ -117,7 +117,7 @@
 #endif
 
 #if CONFIG_RX65N_USBHOST_NTDS < 2
-#  error "Insufficent TDs"
+#  error "Insufficient TDs"
 #endif
 
 /* Derived size of user transfer descriptor (TD) memory. */
diff --git a/arch/risc-v/src/bl602/bl602_netdev.c b/arch/risc-v/src/bl602/bl602_netdev.c
index a831de0de9..07a5a22b36 100644
--- a/arch/risc-v/src/bl602/bl602_netdev.c
+++ b/arch/risc-v/src/bl602/bl602_netdev.c
@@ -1285,7 +1285,7 @@ static int format_scan_result_to_wapi(struct iwreq *req, int result_cnt)
 
   DEBUGASSERT(j == result_cnt);
 
-  /* sort the vaild list according the rssi */
+  /* sort the valid list according the rssi */
 
   qsort(rssi_list, result_cnt, sizeof(uint8_t), rssi_compare);
 
diff --git a/arch/risc-v/src/mpfs/mpfs_dma.h b/arch/risc-v/src/mpfs/mpfs_dma.h
index 7f401a7938..d625f1bd4b 100755
--- a/arch/risc-v/src/mpfs/mpfs_dma.h
+++ b/arch/risc-v/src/mpfs/mpfs_dma.h
@@ -44,7 +44,7 @@ struct mpfs_dma_channel_config
 {
   uint64_t src_addr;        /* source address */
   uint64_t dest_addr;       /* destination address */
-  uint64_t num_bytes;       /* Number of bytes to be transfered. (Base-2) */
+  uint64_t num_bytes;       /* Number of bytes to be transferred. (Base-2) */
   uint8_t  enable_done_int; /* enable transfer complete interrupt */
   uint8_t  enable_err_int;  /* enable transfer error interrupt */
   uint8_t  repeat;          /* repeat the transaction */
diff --git a/arch/risc-v/src/mpfs/mpfs_opensbi_utils.S b/arch/risc-v/src/mpfs/mpfs_opensbi_utils.S
index 30cad6a57f..b8abcaed09 100755
--- a/arch/risc-v/src/mpfs/mpfs_opensbi_utils.S
+++ b/arch/risc-v/src/mpfs/mpfs_opensbi_utils.S
@@ -72,7 +72,7 @@ mpfs_global_pointer:
  *   mtvec, global pointer and the stack (per hart) for the OpenSBI.
  *   mpfs_global_pointer is used to store the real __global_pointer$ as
  *   seen in the .map file.  Loading gp, _global_pointer$ would default to
- *   mv gp, gp -instruction which isn't what we want. External libraties seem
+ *   mv gp, gp -instruction which isn't what we want. External libraries seem
  *   to link relative to gp. When trapping from the kernel, the gp has been
  *   utilized for other purposes, so we need to save and restore gp at all
  *   times.
diff --git a/arch/risc-v/src/rv32m1/hardware/rv32m1_memorymap.h b/arch/risc-v/src/rv32m1/hardware/rv32m1_memorymap.h
index b545771dbd..3f415f708f 100644
--- a/arch/risc-v/src/rv32m1/hardware/rv32m1_memorymap.h
+++ b/arch/risc-v/src/rv32m1/hardware/rv32m1_memorymap.h
@@ -32,7 +32,7 @@
 #elif defined(CONFIG_ARCH_CHIP_RV32M1_ZERORISCY)
 #  error "rv32m1 zero-riscy is to be continued..."
 #else
-#  error "Unspported rv32m1 cortex-m cores"
+#  error "Unsupported rv32m1 cortex-m cores"
 #endif
 
 #endif /* __ARCH_RISCV_SRC_RV32M1_HARDWARE_RV32M1_MEMORYMAP_H */
diff --git a/arch/risc-v/src/rv32m1/hardware/rv32m1_scg.h b/arch/risc-v/src/rv32m1/hardware/rv32m1_scg.h
index 002592dbc8..6189152fa2 100644
--- a/arch/risc-v/src/rv32m1/hardware/rv32m1_scg.h
+++ b/arch/risc-v/src/rv32m1/hardware/rv32m1_scg.h
@@ -32,7 +32,7 @@
 #elif defined(CONFIG_ARCH_CHIP_RV32M1_ZERORISCY)
 #  error "rv32m1 zero-riscy is to be continued..."
 #else
-#  error "Unspported rv32m1 cortex-m cores"
+#  error "Unsupported rv32m1 cortex-m cores"
 #endif
 
 #endif /* _ARCH_RISCV_SRC_RV32M1_CHIP_RV32M1_SCG_H */
diff --git a/arch/risc-v/src/rv32m1/hardware/rv32m1_wdog.h b/arch/risc-v/src/rv32m1/hardware/rv32m1_wdog.h
index d7daaa5ae3..441179a35f 100644
--- a/arch/risc-v/src/rv32m1/hardware/rv32m1_wdog.h
+++ b/arch/risc-v/src/rv32m1/hardware/rv32m1_wdog.h
@@ -62,7 +62,7 @@
 
 #define WDOG_CS_WIN              (1 << 15) /* Bit15: Window */
 #define WDOG_CS_FLG              (1 << 14) /* Bit14: Interrupt Flag */
-#define WDOG_CS_CMD32EN          (1 << 13) /* Bit13: suport 32bit command */
+#define WDOG_CS_CMD32EN          (1 << 13) /* Bit13: support 32bit command */
 #define WDOG_CS_PRES             (1 << 12) /* Bit12: Prescaler, '1' enables 256 prescaler */
 #define WDOG_CS_ULK              (1 << 11) /* Bit11: Unlock status */
 #define WDOG_CS_RCS              (1 << 10) /* Bit10: Reconfiguration Success */
diff --git a/arch/x86_64/src/intel64/intel64_vectors.S b/arch/x86_64/src/intel64/intel64_vectors.S
index 1271db9222..74691686ad 100644
--- a/arch/x86_64/src/intel64/intel64_vectors.S
+++ b/arch/x86_64/src/intel64/intel64_vectors.S
@@ -337,7 +337,7 @@ irq_common:
 	/* The common return point for both isr_handler and irq_handler */
 
 .Lreturn:
-	/* EAX may possibly hold a pointer to a different regiser save area on
+	/* EAX may possibly hold a pointer to a different register save area on
 	 * return.  Are we switching to a new context?
 	 */
 
diff --git a/arch/xtensa/src/esp32s3/hardware/esp32s3_uart.h b/arch/xtensa/src/esp32s3/hardware/esp32s3_uart.h
index a647b4f16b..5258b439ae 100644
--- a/arch/xtensa/src/esp32s3/hardware/esp32s3_uart.h
+++ b/arch/xtensa/src/esp32s3/hardware/esp32s3_uart.h
@@ -1299,7 +1299,7 @@
 #define UART_HIGHPULSE_REG (DR_REG_UART_BASE + 0x2c)
 
 /* UART_HIGHPULSE_MIN_CNT : RO; bitpos: [11:0]; default: 4095;
- * This register stores  the value of the maxinum duration time for the high
+ * This register stores  the value of the maximum duration time for the high
  * level pulse. It is used in baud rate-detect process.
  */
 
diff --git a/boards/arm/samv7/same70-qmtech/README.txt b/boards/arm/samv7/same70-qmtech/README.txt
index fc0403a861..b3853ab409 100644
--- a/boards/arm/samv7/same70-qmtech/README.txt
+++ b/boards/arm/samv7/same70-qmtech/README.txt
@@ -718,7 +718,7 @@ Configuration sub-directories
     running application "adc" in NuttShell.
 
     The ADC is triggered by Timer/counter at 1 kHz frequency and uses
-    DMA to transfer samples. Number of transfered samples can be set
+    DMA to transfer samples. Number of transferred samples can be set
     by configuring CONFIG_SAMV7_AFEC_DMASAMPLES.
 
   nsh:
diff --git a/boards/arm/samv7/same70-xplained/README.txt b/boards/arm/samv7/same70-xplained/README.txt
index 00a939aaea..d4cecb3cb2 100644
--- a/boards/arm/samv7/same70-xplained/README.txt
+++ b/boards/arm/samv7/same70-xplained/README.txt
@@ -1318,7 +1318,7 @@ Configuration sub-directories
     running application "adc" in NuttShell.
 
     The ADC is triggered by Timer/counter at 1 kHz frequency and uses
-    DMA to transfer samples. Number of transfered samples can be set
+    DMA to transfer samples. Number of transferred samples can be set
     by configuring CONFIG_SAMV7_AFEC_DMASAMPLES.
 
   mrf24j40-starhub
diff --git a/boards/x86_64/intel64/qemu-intel64/README.txt b/boards/x86_64/intel64/qemu-intel64/README.txt
index 630720493b..b76337c675 100644
--- a/boards/x86_64/intel64/qemu-intel64/README.txt
+++ b/boards/x86_64/intel64/qemu-intel64/README.txt
@@ -97,10 +97,10 @@ Here are some links (which will probably be mostly outdated by the time your rea
   Home Page:     http://bochs.sourceforge.net
 
 The bochs can be build from source.
-Unlike qemu, it do not rely on KVM to support modern hardware features, therefor it can
-also be used under windows.
+Unlike qemu, it does not rely on KVM to support modern hardware features, therefore it can
+also be used under Windows.
 When building bochs, remember to enable x86-64 support with "--enable-x86-64".
-If you also want the support of SIMD instruction, enable them with "--enable-avx --enable-evex".
+If you also want support for SIMD instructions, enable them with "--enable-avx --enable-evex".
 
 Running Bochs
 ------------
diff --git a/drivers/i2c/tca9548a.c b/drivers/i2c/tca9548a.c
index ebfd6ee75c..ae2ddfa758 100644
--- a/drivers/i2c/tca9548a.c
+++ b/drivers/i2c/tca9548a.c
@@ -219,7 +219,7 @@ static int tca9548a_select_channel(FAR struct tca9548a_dev_s *priv,
  *   attached to the virtual i2c_master ".transfer()" pointer. This way every
  *   time an I2C message is sent it is called and it starts sending a command
  *   to TCA9548A setup the right channel defined to this i2c_master. All the
- *   expected messages are then transfered to the I2C device connected the
+ *   expected messages are then transferred to the I2C device connected the
  *   this selected channel.
  *
  * Input Parameters:
diff --git a/drivers/ioexpander/mcp23x17.h b/drivers/ioexpander/mcp23x17.h
index 9edf00354c..9a58efcde4 100644
--- a/drivers/ioexpander/mcp23x17.h
+++ b/drivers/ioexpander/mcp23x17.h
@@ -121,7 +121,7 @@
 #define MCP23X17_IOCON_ODR              (1 << 2) /* Config INT pin as open-drain */
 #define MCP23X17_IOCON_HAEN             (1 << 3) /* HW Address enable bit */
 #define MCP23X17_IOCON_DISSLW           (1 << 4) /* Disable Slew Rate for SDA output */
-#define MCP23X17_IOCON_SEQOP            (1 << 5) /* Disable Sequencial Operation */
+#define MCP23X17_IOCON_SEQOP            (1 << 5) /* Disable Sequential Operation */
 #define MCP23X17_IOCON_MIRROR           (1 << 6) /* Mirror INT pins */
 #define MCP23X17_IOCON_BANK             (1 << 7) /* Configure how to address register */
 
diff --git a/drivers/lcd/ssd1680.c b/drivers/lcd/ssd1680.c
index 33588ae689..b6e3b7e361 100644
--- a/drivers/lcd/ssd1680.c
+++ b/drivers/lcd/ssd1680.c
@@ -655,14 +655,14 @@ static int ssd1680_configuredisplay(struct ssd1680_dev_s *priv)
   ssd1680_snd_cmd_with_data1(priv,
       SSD1680_DATA_MODE, SSD1680_VAL_DATA_MODE);
 
-  /* Step 7: Set ram X start/end postion 00 FF */
+  /* Step 7: Set ram X start/end position 00 FF */
 
   lcdinfo("Set ram X start/end position (0x%02x): 0, %d\n",
       SSD1680_SET_RAMXPOS, (SSD1680_DEV_X_ROUND_UP >> 3)-1);
   ssd1680_snd_cmd_with_data2(priv, SSD1680_SET_RAMXPOS,
       0x00, (SSD1680_DEV_X_ROUND_UP >> 3)-1);
 
-  /* Step 8: Set ram Y start/end postion */
+  /* Step 8: Set ram Y start/end position */
 
   lcdinfo("Set ram Y start/end position (0x%02x): 0, %d\n",
       SSD1680_SET_RAMYPOS, SSD1680_DEV_NATIVE_YRES - 1);
@@ -909,7 +909,7 @@ static int ssd1680_busy_wait(FAR struct ssd1680_dev_s *priv)
 
   if (max_wait_time == 0)
     {
-      lcderr("Timout. Ignoring Busy state... "
+      lcderr("Timeout. Ignoring Busy state... "
              "Display is probably not ready\n");
       return ERROR;
     }
diff --git a/drivers/lcd/ssd1680.h b/drivers/lcd/ssd1680.h
index 2c96344357..6c44fff47f 100644
--- a/drivers/lcd/ssd1680.h
+++ b/drivers/lcd/ssd1680.h
@@ -170,7 +170,7 @@
 #  define SSD1680_DEV_NATIVE_XRES 128
 #  define SSD1680_DEV_NATIVE_YRES 296
 #else
-#  error "Unknown resulution"
+#  error "Unknown resolution"
 #endif
 
 /* SSD1680 memory write algorithm */
diff --git a/drivers/motor/foc/foc_dummy.c b/drivers/motor/foc/foc_dummy.c
index f244b92859..8a9a6040ac 100644
--- a/drivers/motor/foc/foc_dummy.c
+++ b/drivers/motor/foc/foc_dummy.c
@@ -626,7 +626,7 @@ FAR struct foc_dev_s *foc_dummy_initialize(int inst)
 
   dev = &g_foc_dev[inst];
 
-  /* Connect lower half FOC with FOC devic */
+  /* Connect lower half FOC with FOC device */
 
   dev->lower = (FAR void *)foc_lower;
 
diff --git a/drivers/net/w5500.c b/drivers/net/w5500.c
index 18ae561b9b..53cf3c1422 100644
--- a/drivers/net/w5500.c
+++ b/drivers/net/w5500.c
@@ -767,7 +767,7 @@ static int w5500_read16_atomic(FAR struct w5500_driver_s *self,
   return -EIO;
 }
 
-/* Ethernet frame tranmission buffer management *****************************/
+/* Ethernet frame transmission buffer management ****************************/
 
 /****************************************************************************
  * Name: w5500_txbuf_reset
@@ -1397,7 +1397,7 @@ static void w5500_receive(FAR struct w5500_driver_s *self)
                      self->sk_dev.d_len);
         }
 
-      /* Acknowledge data receiption to W5500 */
+      /* Acknowledge data reception to W5500 */
 
       w5500_write16(self,
                     W5500_BSB_SOCKET_REGS(0),
diff --git a/drivers/sensors/ds18b20.c b/drivers/sensors/ds18b20.c
index 31e228dbe9..cba9e686d6 100644
--- a/drivers/sensors/ds18b20.c
+++ b/drivers/sensors/ds18b20.c
@@ -220,7 +220,7 @@ static inline int16_t ds18b20_rawtemp(FAR const uint8_t *spad)
  * Name: ds18b20_tempdata
  *
  * Description:
- *   Helper for converting temperatur data from raw sensor data
+ *   Helper for converting temperature data from raw sensor data
  *
  * Return:
  *   Temperature data
@@ -418,7 +418,7 @@ static int ds18b20_read_spad(FAR struct ds18b20_dev_s *dev,
        * a buffer overflow later.
        */
 
-      swarn("WARNING: Sensor responsed unknown resolution: %d\n", reg->res);
+      swarn("WARNING: Sensor responded unknown resolution: %d\n", reg->res);
       reg->res = DS18B20_RES_CONV(DS18B20_RESMAX);
     }
 
diff --git a/drivers/sensors/msa301.c b/drivers/sensors/msa301.c
index 8782838691..ec0190cdeb 100644
--- a/drivers/sensors/msa301.c
+++ b/drivers/sensors/msa301.c
@@ -407,7 +407,7 @@ static int msa301_sensor_stop(FAR struct msa301_dev_s *priv)
 
   msa301_set_powermode(priv, MSA301_SUSPENDMODE);
 
-  sninfo("Stoping....");
+  sninfo("Stopping....");
 
   return OK;
 }
diff --git a/drivers/syslog/Kconfig b/drivers/syslog/Kconfig
index 9d49f8ba21..167a70527a 100644
--- a/drivers/syslog/Kconfig
+++ b/drivers/syslog/Kconfig
@@ -283,8 +283,8 @@ config SYSLOG_RPMSG_OVERWRITE
 	bool "SYSLOG RPMSG overwrite"
 	default n
 	---help---
-		Allow syslog rpmsg overwrite, maybe caused syslog lost.
-		Set 'n' if you don't want lost logs, but may harmful to preformance.
+		Allow syslog rpmsg overwrite, may cause syslog to lose some logs.
+		Set 'n' if you don't want lost logs, but may harm performance.
 
 endif # SYSLOG_RPMSG
 
diff --git a/drivers/video/isx012.c b/drivers/video/isx012.c
index 067a430041..c7ac8d3908 100644
--- a/drivers/video/isx012.c
+++ b/drivers/video/isx012.c
@@ -2952,7 +2952,7 @@ int isx012_initialize(void)
   int ret;
   FAR struct isx012_dev_s *priv = &g_isx012_private;
 
-  /* Regiser image sensor operations variable */
+  /* Register image sensor operations variable */
 
   ret = imgsensor_register(&g_isx012_ops);
   if (ret != OK)
diff --git a/drivers/video/isx019.c b/drivers/video/isx019.c
index 9bc8c68aed..8611f2596d 100644
--- a/drivers/video/isx019.c
+++ b/drivers/video/isx019.c
@@ -2842,7 +2842,7 @@ static double calc_iso(double gain)
    * calculate 10^z.
    */
 
-  /*  Devide z into integer and other parts.
+  /*  Divide z into integer and other parts.
    *  z =  log10(E) (k * ln2 + r)
    *  (k : integer, r < 0.5 * ln2)
    *
diff --git a/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c b/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
index fd07781b6c..d9557f4c02 100644
--- a/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
+++ b/drivers/wireless/ieee80211/bcm43xxx/bcmf_netdev.c
@@ -1079,7 +1079,7 @@ static int bcmf_ioctl(FAR struct net_driver_s *dev, int cmd,
 
   if (!priv->bc_bifup)
     {
-      wlerr("ERROR: invaild state "
+      wlerr("ERROR: invalid state "
             "(IFF_DOWN, unable to execute command: %x)\n", cmd);
       return -EPERM;
     }
diff --git a/fs/inode/fs_files.c b/fs/inode/fs_files.c
index a4cde7676f..2799c62902 100644
--- a/fs/inode/fs_files.c
+++ b/fs/inode/fs_files.c
@@ -199,7 +199,7 @@ int files_allocate(FAR struct inode *inode, int oflags, off_t pos,
       return ret;
     }
 
-  /* Calcuate minfd whether is in list->fl_files.
+  /* Calculate minfd whether is in list->fl_files.
    * if not, allocate a new filechunk.
    */
 
diff --git a/fs/inode/inode.h b/fs/inode/inode.h
index 3731716902..e54652053a 100644
--- a/fs/inode/inode.h
+++ b/fs/inode/inode.h
@@ -258,7 +258,7 @@ int inode_stat(FAR struct inode *inode, FAR struct stat *buf, int resolve);
  *   inode   - The inode of interest
  *   buf     - The caller provide location in which to apply information
  *             about the inode.
- *   flags   - The vaild field in buf
+ *   flags   - The valid field in buf
  *   resolve - Whether to resolve the symbolic link
  *
  * Returned Value:
diff --git a/fs/procfs/Kconfig b/fs/procfs/Kconfig
index f5c275f5ad..a187d395a8 100644
--- a/fs/procfs/Kconfig
+++ b/fs/procfs/Kconfig
@@ -22,10 +22,10 @@ config FS_PROCFS_REGISTER
 		system.
 
 config FS_PROCFS_MAX_TASKS
-	int "The maxinum number of active tasks for procfs snapshot"
+	int "The maximum number of active tasks for procfs snapshot"
 	default 128
 	---help---
-		The maxinum number of active tasks for procfs snapshot.
+		The maximum number of active tasks for procfs snapshot.
 
 menu "Exclude individual procfs entries"
 
diff --git a/fs/procfs/fs_procfsutil.c b/fs/procfs/fs_procfsutil.c
index 87c91d2c5b..ff7cbe4bb8 100644
--- a/fs/procfs/fs_procfsutil.c
+++ b/fs/procfs/fs_procfsutil.c
@@ -123,7 +123,7 @@ size_t procfs_memcpy(FAR const char *src, size_t srclen,
  * Description:
  *   This function is same with snprintf, except return values.
  *   If buf has no enough space and output was truncated due to size limit,
- *   snprintf:        return formated string len.
+ *   snprintf:        return formatted string len.
  *   procfs_snprintf: return string len which has written to buf.
  *
  * Input Parameters:
diff --git a/fs/vfs/fs_chstat.c b/fs/vfs/fs_chstat.c
index 38c0fb44f8..8b019fc80f 100644
--- a/fs/vfs/fs_chstat.c
+++ b/fs/vfs/fs_chstat.c
@@ -401,7 +401,7 @@ int lutimens(FAR const char *path, const struct timespec times[2])
  *   inode   - The inode of interest
  *   buf     - The caller provide location in which to apply information
  *             about the inode.
- *   flags   - The vaild field in buf
+ *   flags   - The valid field in buf
  *   resolve - Whether to resolve the symbolic link
  *
  * Returned Value:
diff --git a/fs/vfs/fs_fchstat.c b/fs/vfs/fs_fchstat.c
index 44d8306988..87503d0879 100644
--- a/fs/vfs/fs_fchstat.c
+++ b/fs/vfs/fs_fchstat.c
@@ -90,7 +90,7 @@ errout:
  * Input Parameters:
  *   filep  - File structure instance
  *   buf    - The stat to be modified
- *   flags  - The vaild field in buf
+ *   flags  - The valid field in buf
  *
  * Returned Value:
  *   Upon successful completion, 0 shall be returned. Otherwise, the
diff --git a/include/nuttx/fs/fs.h b/include/nuttx/fs/fs.h
index c411cc60c7..f883b4f7bc 100644
--- a/include/nuttx/fs/fs.h
+++ b/include/nuttx/fs/fs.h
@@ -1396,7 +1396,7 @@ int nx_stat(FAR const char *path, FAR struct stat *buf, int resolve);
  * Input Parameters:
  *   filep  - File structure instance
  *   buf    - The stat to be modified
- *   flags  - The vaild field in buf
+ *   flags  - The valid field in buf
  *
  * Returned Value:
  *   Upon successful completion, 0 shall be returned. Otherwise, the
diff --git a/include/nuttx/fs/procfs.h b/include/nuttx/fs/procfs.h
index 8d7d840e7d..e2afe6b10b 100644
--- a/include/nuttx/fs/procfs.h
+++ b/include/nuttx/fs/procfs.h
@@ -207,7 +207,7 @@ size_t procfs_memcpy(FAR const char *src, size_t srclen,
  * Description:
  *   This function is same with snprintf, except return values.
  *   If buf has no enough space and output was truncated due to size limit,
- *   snprintf:        return formated string len.
+ *   snprintf:        return formatted string len.
  *   procfs_snprintf: return string len which has written to buf.
  *
  * Input Parameters:
diff --git a/include/nuttx/net/mii.h b/include/nuttx/net/mii.h
index 3d761e27cd..c0741d3419 100644
--- a/include/nuttx/net/mii.h
+++ b/include/nuttx/net/mii.h
@@ -324,7 +324,7 @@
 
 /* Auto-negotiation next page advertisement */
 
-#define MII_NPADVERTISE_CODE         0x07ff    /* Bits 0-10: message/un-formated code field */
+#define MII_NPADVERTISE_CODE         0x07ff    /* Bits 0-10: message/un-formatted code field */
 #define MII_NPADVERTISE_TOGGLE       (1 << 11) /* Bit 11: Toggle */
 #define MII_NPADVERTISE_ACK2         (1 << 12) /* Bit 12: Acknowledgement 2 */
 #define MII_NPADVERTISE_MSGPAGE      (1 << 13) /* Bit 13: Message page */
diff --git a/libs/libc/audio/lib_buffer.c b/libs/libc/audio/lib_buffer.c
index 6009af6b00..c1f6a66023 100644
--- a/libs/libc/audio/lib_buffer.c
+++ b/libs/libc/audio/lib_buffer.c
@@ -161,7 +161,7 @@ void apb_free(FAR struct ap_buffer_s *apb)
 
 void apb_reference(FAR struct ap_buffer_s *apb)
 {
-  /* Do we need any thread protection here?  Almost certaily... */
+  /* Do we need any thread protection here?  Almost certainly... */
 
   apb_semtake(apb);
   apb->crefs++;
diff --git a/libs/libc/audio/libsrc/Kconfig b/libs/libc/audio/libsrc/Kconfig
index 247584d274..6ea7960869 100644
--- a/libs/libc/audio/libsrc/Kconfig
+++ b/libs/libc/audio/libsrc/Kconfig
@@ -4,7 +4,7 @@
 #
 
 config AUDIO_SRC
-	bool "Audio Samplerate Convertor Library"
+	bool "Audio Samplerate Converter Library"
 	default n
 	---help---
 		Enable build for various SRC functions
diff --git a/libs/libc/errno/lib_errno.c b/libs/libc/errno/lib_errno.c
index 684b2bff92..30144fc845 100644
--- a/libs/libc/errno/lib_errno.c
+++ b/libs/libc/errno/lib_errno.c
@@ -58,7 +58,7 @@ FAR int *__errno(void)
 
   FAR struct tls_info_s *tlsinfo = tls_get_info();
 
-  /* And return the return refernce to the error number */
+  /* And return the return reference to the error number */
 
   return tlsinfo ? &tlsinfo->tl_errno : &g_errno;
 }
diff --git a/libs/libc/libgen/lib_basename.c b/libs/libc/libgen/lib_basename.c
index 61737755c7..79cdc99e97 100644
--- a/libs/libc/libgen/lib_basename.c
+++ b/libs/libc/libgen/lib_basename.c
@@ -88,7 +88,7 @@ FAR char *basename(FAR char *path)
     }
 
   /* Get the address of the last '/' which is not at the end of the path and,
-   * therefor, must be just before the beginning of the filename component.
+   * therefore, must be just before the beginning of the filename component.
    */
 
   p = strrchr(path, '/');
diff --git a/libs/libc/libgen/lib_dirname.c b/libs/libc/libgen/lib_dirname.c
index 2fdfc5b5a7..2ea74965dd 100644
--- a/libs/libc/libgen/lib_dirname.c
+++ b/libs/libc/libgen/lib_dirname.c
@@ -88,7 +88,7 @@ FAR char *dirname(FAR char *path)
     }
 
   /* Get the address of the last '/' which is not at the end of the path and,
-   * therefor, must be the end of the directory component.
+   * therefore, must be the end of the directory component.
    */
 
   p = strrchr(path, '/');
diff --git a/libs/libc/machine/arm/armv7-m/arch_elf.c b/libs/libc/machine/arm/armv7-m/arch_elf.c
index 2ca96527e6..cbf454d38c 100644
--- a/libs/libc/machine/arm/armv7-m/arch_elf.c
+++ b/libs/libc/machine/arm/armv7-m/arch_elf.c
@@ -480,7 +480,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xfffff800 || offset >= (int32_t)0x0800)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "relocation out of range, branch taget=%08lx\n",
+                 "relocation out of range, branch target=%08lx\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
diff --git a/libs/libc/machine/arm/armv8-m/arch_elf.c b/libs/libc/machine/arm/armv8-m/arch_elf.c
index 614efdb792..2d2572e7bb 100644
--- a/libs/libc/machine/arm/armv8-m/arch_elf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_elf.c
@@ -480,7 +480,7 @@ int up_relocate(const Elf32_Rel *rel, const Elf32_Sym *sym, uintptr_t addr)
         if (offset < (int32_t)0xfffff800 || offset >= (int32_t)0x0800)
           {
             berr("ERROR: JUMP11 [%" PRId32 "] "
-                 "relocation out of range, branch taget=%08lx\n",
+                 "relocation out of range, branch target=%08lx\n",
                  ELF32_R_TYPE(rel->r_info), offset);
 
             return -EINVAL;
diff --git a/libs/libc/machine/xtensa/arch_setjmp.S b/libs/libc/machine/xtensa/arch_setjmp.S
index a765c73cf0..16087eb4be 100644
--- a/libs/libc/machine/xtensa/arch_setjmp.S
+++ b/libs/libc/machine/xtensa/arch_setjmp.S
@@ -72,8 +72,8 @@ setjmp:
 # if XCHAL_HAVE_XEA3
 /*
   a2 points to the jmp_buf structure of 68 bytes length:
-  8 * 4 to save the regester save area of setjmp that contains the callers resgisters
-  8 * 4 to save the caller's register save area which is pottentally
+  8 * 4 to save the register save area of setjmp that contains the callers registers
+  8 * 4 to save the caller's register save area which is potentially
   clobbered by an alloca() in the caller
 */
 
diff --git a/libs/libc/math/lib_acos.c b/libs/libc/math/lib_acos.c
index 617f2669d4..ad14ab2d3f 100644
--- a/libs/libc/math/lib_acos.c
+++ b/libs/libc/math/lib_acos.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_acosf.c b/libs/libc/math/lib_acosf.c
index a571d0bf57..a3ed12ae4b 100644
--- a/libs/libc/math/lib_acosf.c
+++ b/libs/libc/math/lib_acosf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_acosl.c b/libs/libc/math/lib_acosl.c
index b3ad598aa6..683bc614f6 100644
--- a/libs/libc/math/lib_acosl.c
+++ b/libs/libc/math/lib_acosl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_asin.c b/libs/libc/math/lib_asin.c
index d534f997d9..b13512fa5b 100644
--- a/libs/libc/math/lib_asin.c
+++ b/libs/libc/math/lib_asin.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_asinf.c b/libs/libc/math/lib_asinf.c
index c97a8d8bd6..a05bb67cc4 100644
--- a/libs/libc/math/lib_asinf.c
+++ b/libs/libc/math/lib_asinf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_asinl.c b/libs/libc/math/lib_asinl.c
index 2e523d662d..87cf3fed21 100644
--- a/libs/libc/math/lib_asinl.c
+++ b/libs/libc/math/lib_asinl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atan.c b/libs/libc/math/lib_atan.c
index 669ae709f2..5a69600af7 100644
--- a/libs/libc/math/lib_atan.c
+++ b/libs/libc/math/lib_atan.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atan2.c b/libs/libc/math/lib_atan2.c
index a12b7c2bb9..7b2c84dc1d 100644
--- a/libs/libc/math/lib_atan2.c
+++ b/libs/libc/math/lib_atan2.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atan2f.c b/libs/libc/math/lib_atan2f.c
index 77032986e4..b4128fb25a 100644
--- a/libs/libc/math/lib_atan2f.c
+++ b/libs/libc/math/lib_atan2f.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atan2l.c b/libs/libc/math/lib_atan2l.c
index 9632881d55..0445c7b0ab 100644
--- a/libs/libc/math/lib_atan2l.c
+++ b/libs/libc/math/lib_atan2l.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atanf.c b/libs/libc/math/lib_atanf.c
index 600426b40d..cac3614530 100644
--- a/libs/libc/math/lib_atanf.c
+++ b/libs/libc/math/lib_atanf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_atanl.c b/libs/libc/math/lib_atanl.c
index 89b2d40eb4..1dd492f7cf 100644
--- a/libs/libc/math/lib_atanl.c
+++ b/libs/libc/math/lib_atanl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ceil.c b/libs/libc/math/lib_ceil.c
index 9a58e64c32..4d050749b4 100644
--- a/libs/libc/math/lib_ceil.c
+++ b/libs/libc/math/lib_ceil.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ceilf.c b/libs/libc/math/lib_ceilf.c
index 414d9815e6..006093128e 100644
--- a/libs/libc/math/lib_ceilf.c
+++ b/libs/libc/math/lib_ceilf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ceill.c b/libs/libc/math/lib_ceill.c
index 8524f6c772..531b51e070 100644
--- a/libs/libc/math/lib_ceill.c
+++ b/libs/libc/math/lib_ceill.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_cos.c b/libs/libc/math/lib_cos.c
index 43fb37fdad..904bc603e2 100644
--- a/libs/libc/math/lib_cos.c
+++ b/libs/libc/math/lib_cos.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_cosf.c b/libs/libc/math/lib_cosf.c
index 910dc5f680..1a436c3452 100644
--- a/libs/libc/math/lib_cosf.c
+++ b/libs/libc/math/lib_cosf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_cosh.c b/libs/libc/math/lib_cosh.c
index 4807800129..40ce8ae3bb 100644
--- a/libs/libc/math/lib_cosh.c
+++ b/libs/libc/math/lib_cosh.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_coshf.c b/libs/libc/math/lib_coshf.c
index c6c34451a0..6c48c97506 100644
--- a/libs/libc/math/lib_coshf.c
+++ b/libs/libc/math/lib_coshf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_coshl.c b/libs/libc/math/lib_coshl.c
index 176ec9605a..e0741a91f1 100644
--- a/libs/libc/math/lib_coshl.c
+++ b/libs/libc/math/lib_coshl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_cosl.c b/libs/libc/math/lib_cosl.c
index dc3abddc69..983e78e47d 100644
--- a/libs/libc/math/lib_cosl.c
+++ b/libs/libc/math/lib_cosl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_erf.c b/libs/libc/math/lib_erf.c
index aba342d67b..af64ec909f 100644
--- a/libs/libc/math/lib_erf.c
+++ b/libs/libc/math/lib_erf.c
@@ -48,7 +48,7 @@
  * Name: erf
  *
  * Description:
- *   This implementation comes from the Handbook of Mathmatical Functions
+ *   This implementation comes from the Handbook of Mathematical Functions
  *   The implementations in this book are not protected by copyright.
  *   erf comes from formula 7.1.26
  *
diff --git a/libs/libc/math/lib_erff.c b/libs/libc/math/lib_erff.c
index 3a65072fca..cc728516ed 100644
--- a/libs/libc/math/lib_erff.c
+++ b/libs/libc/math/lib_erff.c
@@ -46,7 +46,7 @@
  * Name: erff
  *
  * Description:
- *   This implementation comes from the Handbook of Mathmatical Functions
+ *   This implementation comes from the Handbook of Mathematical Functions
  *   The implementations in this book are not protected by copyright.
  *   erf comes from formula 7.1.26
  *
diff --git a/libs/libc/math/lib_erfl.c b/libs/libc/math/lib_erfl.c
index 94066dfa21..0090fa0892 100644
--- a/libs/libc/math/lib_erfl.c
+++ b/libs/libc/math/lib_erfl.c
@@ -41,7 +41,7 @@
 #ifdef CONFIG_HAVE_LONG_DOUBLE
 long double erfl(long double x)
 {
-  /* This implementation comes from the Handbook of Mathmatical Functions
+  /* This implementation comes from the Handbook of Mathematical Functions
    * The implementations in this book are not protected by copyright.
    * erf comes from formula 7.1.26
    */
diff --git a/libs/libc/math/lib_exp.c b/libs/libc/math/lib_exp.c
index 2b44496244..23a3ba9ca6 100644
--- a/libs/libc/math/lib_exp.c
+++ b/libs/libc/math/lib_exp.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_expf.c b/libs/libc/math/lib_expf.c
index 57e0bb4586..92f3b8a52b 100644
--- a/libs/libc/math/lib_expf.c
+++ b/libs/libc/math/lib_expf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_expl.c b/libs/libc/math/lib_expl.c
index 8975bf657e..9001c9d42b 100644
--- a/libs/libc/math/lib_expl.c
+++ b/libs/libc/math/lib_expl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fabs.c b/libs/libc/math/lib_fabs.c
index 7998cd87ab..7908abf867 100644
--- a/libs/libc/math/lib_fabs.c
+++ b/libs/libc/math/lib_fabs.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fabsf.c b/libs/libc/math/lib_fabsf.c
index 99c430fc3b..d5e7186842 100644
--- a/libs/libc/math/lib_fabsf.c
+++ b/libs/libc/math/lib_fabsf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fabsl.c b/libs/libc/math/lib_fabsl.c
index a6d2686ba2..bdaab4dd9c 100644
--- a/libs/libc/math/lib_fabsl.c
+++ b/libs/libc/math/lib_fabsl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_floor.c b/libs/libc/math/lib_floor.c
index 1ecc48dd9d..71a77b13ea 100644
--- a/libs/libc/math/lib_floor.c
+++ b/libs/libc/math/lib_floor.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_floorf.c b/libs/libc/math/lib_floorf.c
index c98634f99d..6b0fa7b80d 100644
--- a/libs/libc/math/lib_floorf.c
+++ b/libs/libc/math/lib_floorf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_floorl.c b/libs/libc/math/lib_floorl.c
index 1e1d147171..82fd9742ea 100644
--- a/libs/libc/math/lib_floorl.c
+++ b/libs/libc/math/lib_floorl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fmod.c b/libs/libc/math/lib_fmod.c
index 7f6a789f91..e70ce684f3 100644
--- a/libs/libc/math/lib_fmod.c
+++ b/libs/libc/math/lib_fmod.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fmodf.c b/libs/libc/math/lib_fmodf.c
index b907af9f52..4a7858654c 100644
--- a/libs/libc/math/lib_fmodf.c
+++ b/libs/libc/math/lib_fmodf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_fmodl.c b/libs/libc/math/lib_fmodl.c
index 593ba03d9a..d264c338a1 100644
--- a/libs/libc/math/lib_fmodl.c
+++ b/libs/libc/math/lib_fmodl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_frexp.c b/libs/libc/math/lib_frexp.c
index 4afafe2500..fcfeab69ed 100644
--- a/libs/libc/math/lib_frexp.c
+++ b/libs/libc/math/lib_frexp.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_frexpf.c b/libs/libc/math/lib_frexpf.c
index e8a6b1feb4..4e879534a2 100644
--- a/libs/libc/math/lib_frexpf.c
+++ b/libs/libc/math/lib_frexpf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_frexpl.c b/libs/libc/math/lib_frexpl.c
index d08e0b230c..121a5b2a12 100644
--- a/libs/libc/math/lib_frexpl.c
+++ b/libs/libc/math/lib_frexpl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ldexp.c b/libs/libc/math/lib_ldexp.c
index 0562d5ac07..b3a8f2e6ad 100644
--- a/libs/libc/math/lib_ldexp.c
+++ b/libs/libc/math/lib_ldexp.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ldexpf.c b/libs/libc/math/lib_ldexpf.c
index 23bd4d7375..2803861399 100644
--- a/libs/libc/math/lib_ldexpf.c
+++ b/libs/libc/math/lib_ldexpf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_ldexpl.c b/libs/libc/math/lib_ldexpl.c
index d8626a3d15..8df8f08266 100644
--- a/libs/libc/math/lib_ldexpl.c
+++ b/libs/libc/math/lib_ldexpl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_libexpi.c b/libs/libc/math/lib_libexpi.c
index 5a53bb3a3c..d5540b5179 100644
--- a/libs/libc/math/lib_libexpi.c
+++ b/libs/libc/math/lib_libexpi.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_libexpif.c b/libs/libc/math/lib_libexpif.c
index a79f07684e..ba5d5ce8f5 100644
--- a/libs/libc/math/lib_libexpif.c
+++ b/libs/libc/math/lib_libexpif.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong/Gregory Nutt
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_libsqrtapprox.c b/libs/libc/math/lib_libsqrtapprox.c
index 69c4bfda69..58a0f678cb 100644
--- a/libs/libc/math/lib_libsqrtapprox.c
+++ b/libs/libc/math/lib_libsqrtapprox.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log.c b/libs/libc/math/lib_log.c
index 24edee3afb..e69b34c838 100644
--- a/libs/libc/math/lib_log.c
+++ b/libs/libc/math/lib_log.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log10.c b/libs/libc/math/lib_log10.c
index 2177f68553..2d5cea9d45 100644
--- a/libs/libc/math/lib_log10.c
+++ b/libs/libc/math/lib_log10.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log10f.c b/libs/libc/math/lib_log10f.c
index 8e9438de4c..a91fc7d023 100644
--- a/libs/libc/math/lib_log10f.c
+++ b/libs/libc/math/lib_log10f.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log10l.c b/libs/libc/math/lib_log10l.c
index 548d0cb703..2cdc0f237c 100644
--- a/libs/libc/math/lib_log10l.c
+++ b/libs/libc/math/lib_log10l.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log2.c b/libs/libc/math/lib_log2.c
index 69990b0c93..c94e7c1bd6 100644
--- a/libs/libc/math/lib_log2.c
+++ b/libs/libc/math/lib_log2.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log2f.c b/libs/libc/math/lib_log2f.c
index 30b84dbab5..a39523aecd 100644
--- a/libs/libc/math/lib_log2f.c
+++ b/libs/libc/math/lib_log2f.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_log2l.c b/libs/libc/math/lib_log2l.c
index f78bd67dfb..46290103c4 100644
--- a/libs/libc/math/lib_log2l.c
+++ b/libs/libc/math/lib_log2l.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_logf.c b/libs/libc/math/lib_logf.c
index efaac61b4b..4ca2649e0d 100644
--- a/libs/libc/math/lib_logf.c
+++ b/libs/libc/math/lib_logf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_logl.c b/libs/libc/math/lib_logl.c
index 0250a2a77c..cccbc896f3 100644
--- a/libs/libc/math/lib_logl.c
+++ b/libs/libc/math/lib_logl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_modf.c b/libs/libc/math/lib_modf.c
index e1ac235508..f46066c499 100644
--- a/libs/libc/math/lib_modf.c
+++ b/libs/libc/math/lib_modf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_modff.c b/libs/libc/math/lib_modff.c
index 7c068509cd..2448c0a8aa 100644
--- a/libs/libc/math/lib_modff.c
+++ b/libs/libc/math/lib_modff.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_modfl.c b/libs/libc/math/lib_modfl.c
index 49fd4f1128..235c07c05e 100644
--- a/libs/libc/math/lib_modfl.c
+++ b/libs/libc/math/lib_modfl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_pow.c b/libs/libc/math/lib_pow.c
index 664e4ea303..c918479ea3 100644
--- a/libs/libc/math/lib_pow.c
+++ b/libs/libc/math/lib_pow.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_powf.c b/libs/libc/math/lib_powf.c
index c8c7bae563..2325d73dbd 100644
--- a/libs/libc/math/lib_powf.c
+++ b/libs/libc/math/lib_powf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_powl.c b/libs/libc/math/lib_powl.c
index cfbd03f7cf..94bc0d4f84 100644
--- a/libs/libc/math/lib_powl.c
+++ b/libs/libc/math/lib_powl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sin.c b/libs/libc/math/lib_sin.c
index aa28fd1db8..f144d45c75 100644
--- a/libs/libc/math/lib_sin.c
+++ b/libs/libc/math/lib_sin.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sinf.c b/libs/libc/math/lib_sinf.c
index 3a7072951b..b9651ad79c 100644
--- a/libs/libc/math/lib_sinf.c
+++ b/libs/libc/math/lib_sinf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sinh.c b/libs/libc/math/lib_sinh.c
index e6cb7c2b68..622445b18b 100644
--- a/libs/libc/math/lib_sinh.c
+++ b/libs/libc/math/lib_sinh.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sinhf.c b/libs/libc/math/lib_sinhf.c
index 2201c55ed8..fa7f7da832 100644
--- a/libs/libc/math/lib_sinhf.c
+++ b/libs/libc/math/lib_sinhf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sinhl.c b/libs/libc/math/lib_sinhl.c
index 8238db8204..603e051ad0 100644
--- a/libs/libc/math/lib_sinhl.c
+++ b/libs/libc/math/lib_sinhl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sinl.c b/libs/libc/math/lib_sinl.c
index 5935cf1daf..bead13181f 100644
--- a/libs/libc/math/lib_sinl.c
+++ b/libs/libc/math/lib_sinl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sqrt.c b/libs/libc/math/lib_sqrt.c
index 2ef0a1f235..1114fefe04 100644
--- a/libs/libc/math/lib_sqrt.c
+++ b/libs/libc/math/lib_sqrt.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sqrtf.c b/libs/libc/math/lib_sqrtf.c
index a99f878666..1bed69face 100644
--- a/libs/libc/math/lib_sqrtf.c
+++ b/libs/libc/math/lib_sqrtf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_sqrtl.c b/libs/libc/math/lib_sqrtl.c
index 029fb1003e..71d89237a2 100644
--- a/libs/libc/math/lib_sqrtl.c
+++ b/libs/libc/math/lib_sqrtl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tan.c b/libs/libc/math/lib_tan.c
index c5699c7806..be7da77f5a 100644
--- a/libs/libc/math/lib_tan.c
+++ b/libs/libc/math/lib_tan.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tanf.c b/libs/libc/math/lib_tanf.c
index 9ccb138eb4..d23d4af0bd 100644
--- a/libs/libc/math/lib_tanf.c
+++ b/libs/libc/math/lib_tanf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tanh.c b/libs/libc/math/lib_tanh.c
index 85dce6df5f..187f0ca75a 100644
--- a/libs/libc/math/lib_tanh.c
+++ b/libs/libc/math/lib_tanh.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tanhf.c b/libs/libc/math/lib_tanhf.c
index 8db236abf8..df5da9a152 100644
--- a/libs/libc/math/lib_tanhf.c
+++ b/libs/libc/math/lib_tanhf.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tanhl.c b/libs/libc/math/lib_tanhl.c
index a03c000ef7..36cf45d4a6 100644
--- a/libs/libc/math/lib_tanhl.c
+++ b/libs/libc/math/lib_tanhl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/math/lib_tanl.c b/libs/libc/math/lib_tanl.c
index 96f079e253..f3285d563b 100644
--- a/libs/libc/math/lib_tanl.c
+++ b/libs/libc/math/lib_tanl.c
@@ -7,7 +7,7 @@
  *   Ported by: Darcy Gong
  *
  * It derives from the Rhombus OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
+ * a compatible, MIT-style license:
  *
  * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com>
  *
diff --git a/libs/libc/misc/lib_slcddecode.c b/libs/libc/misc/lib_slcddecode.c
index 961b934c0d..70c23a60ad 100644
--- a/libs/libc/misc/lib_slcddecode.c
+++ b/libs/libc/misc/lib_slcddecode.c
@@ -240,7 +240,7 @@ enum slcdret_e slcd_decode(FAR struct lib_instream_s *stream,
       return slcd_reget(state, pch, parg);
     }
 
-  /* If the next character is a hexidecimal value (with lower case
+  /* If the next character is a hexadecimal value (with lower case
    * alphabetic characters), then we are parsing a 5-byte sequence.
    */
 
@@ -271,7 +271,7 @@ enum slcdret_e slcd_decode(FAR struct lib_instream_s *stream,
     }
   else
     {
-      /* Save the first character of the two byte hexidecimal number */
+      /* Save the first character of the two byte hexadecimal number */
 
       state->buf[NDX_COUNTH] = (uint8_t)ch;
       state->nch = NCH_COUNTH;
@@ -288,7 +288,7 @@ enum slcdret_e slcd_decode(FAR struct lib_instream_s *stream,
           return slcd_reget(state, pch, parg);
         }
 
-      /* We expect the next character to be the second byte of hexidecimal
+      /* We expect the next character to be the second byte of hexadecimal
        * count value.
        */
 
@@ -304,7 +304,7 @@ enum slcdret_e slcd_decode(FAR struct lib_instream_s *stream,
           return slcd_reget(state, pch, parg);
         }
 
-      /* Save the second character of the two byte hexidecimal number */
+      /* Save the second character of the two byte hexadecimal number */
 
       state->buf[NDX_COUNTL] = (uint8_t)ch;
       state->nch = NCH_COUNTL;
diff --git a/libs/libc/modlib/modlib_loadshdrs.c b/libs/libc/modlib/modlib_loadshdrs.c
index 0da27962b5..ac6580908e 100644
--- a/libs/libc/modlib/modlib_loadshdrs.c
+++ b/libs/libc/modlib/modlib_loadshdrs.c
@@ -74,7 +74,7 @@ int modlib_loadshdrs(FAR struct mod_loadinfo_s *loadinfo)
              (size_t)loadinfo->ehdr.e_shnum;
   if (loadinfo->ehdr.e_shoff + shdrsize > loadinfo->filelen)
     {
-      berr("ERROR: Insufficent space in file for section header table\n");
+      berr("ERROR: Insufficient space in file for section header table\n");
       return -ESPIPE;
     }
 
diff --git a/libs/libc/netdb/lib_rexec.c b/libs/libc/netdb/lib_rexec.c
index 33735c6056..2ceed200dd 100644
--- a/libs/libc/netdb/lib_rexec.c
+++ b/libs/libc/netdb/lib_rexec.c
@@ -173,7 +173,7 @@ addr_out:
  *   standard name of the host. If a username and password are both
  *   specified, then these are used to authenticate to the foreign host;
  *   otherwise the environment and then the .netrc file in user's home
- *   direcotry are searched for appropiate information. If all the fails,
+ *   directory are searched for appropiate information. If all that fails,
  *   the user is prompted for the information.
  *
  *   The port inport specifies which well-known DARPA Internet port to
diff --git a/libs/libc/pthread/pthread_spinlock.c b/libs/libc/pthread/pthread_spinlock.c
index 7f1391a109..75a3466bad 100644
--- a/libs/libc/pthread/pthread_spinlock.c
+++ b/libs/libc/pthread/pthread_spinlock.c
@@ -178,7 +178,7 @@ int pthread_spin_lock(pthread_spinlock_t *lock)
 
   /* Loop until we successfully take the spinlock (i.e., until the previous
    * state of the spinlock was SP_UNLOCKED).
-   * NOTE that the test/set operaion is performed via boardctl() to avoid a
+   * NOTE that the test/set operation is performed via boardctl() to avoid a
    * variety of issues.  An option might be to move the implementation of
    * up_testset() to libs/libc/machine.
    */
diff --git a/libs/libc/sched/task_setcanceltype.c b/libs/libc/sched/task_setcanceltype.c
index 6b1e4ff3ff..2be62cd7bf 100644
--- a/libs/libc/sched/task_setcanceltype.c
+++ b/libs/libc/sched/task_setcanceltype.c
@@ -46,7 +46,7 @@
 
 int task_setcanceltype(int type, FAR int *oldtype)
 {
-  /* Return the current type if so requrested */
+  /* Return the current type if so requested */
 
   if (oldtype != NULL)
     {
diff --git a/libs/libc/string/lib_isbasedigit.c b/libs/libc/string/lib_isbasedigit.c
index cb201af6f1..2a2d6dd3c6 100644
--- a/libs/libc/string/lib_isbasedigit.c
+++ b/libs/libc/string/lib_isbasedigit.c
@@ -43,7 +43,7 @@
  *
  * Description:
  *   Given an ASCII character, ch, and a base (1-36) do two
- *   things:  1) Determine if ch is a valid charcter, and 2)
+ *   things:  1) Determine if ch is a valid character, and 2)
  *   convert ch to its binary value.
  *
  ****************************************************************************/
diff --git a/libs/libc/string/lib_strxfrm.c b/libs/libc/string/lib_strxfrm.c
index f87d197271..e19cf80de3 100644
--- a/libs/libc/string/lib_strxfrm.c
+++ b/libs/libc/string/lib_strxfrm.c
@@ -48,7 +48,7 @@
  *   resulting string into the array pointed to by s1. The transformation is
  *   such that if the strcmp() function is applied to the two transformed
  *   strings, it returns a value greater than, equal to, or less than zero,
- *   correspoinding to the result of a <<strcoll>> function applied to the
+ *   corresponding to the result of a <<strcoll>> function applied to the
  *   same two original strings.
  *   With a C locale, this function just copies.
  *
diff --git a/libs/libc/unistd/Kconfig b/libs/libc/unistd/Kconfig
index ada5ea250e..d18c9cf877 100644
--- a/libs/libc/unistd/Kconfig
+++ b/libs/libc/unistd/Kconfig
@@ -23,7 +23,7 @@ config LIBC_EXECFUNCS
 		functions are essentially just wrapper functions that (1) call the
 		non-standard binfmt function 'exec', and then (2) exit(0).  Since
 		the new thread will be terminated by the exec[l|v] call, it really
-		served no purpose other than to suport Unix compatility.
+		served no purpose other than to support Unix compatibility.
 
 		The posix_spawn() functions do not have this inefficiency.
 
diff --git a/libs/libc/unistd/lib_execl.c b/libs/libc/unistd/lib_execl.c
index 54ea688798..6caf029c9d 100644
--- a/libs/libc/unistd/lib_execl.c
+++ b/libs/libc/unistd/lib_execl.c
@@ -104,7 +104,7 @@
  *     is defined in the configuration, then this may be a relative path
  *     from the current working directory.  Otherwise, path must be the
  *     absolute path to the program.
- *   ... - A list of the string arguments to be recevied by the
+ *   ... - A list of the string arguments to be received by the
  *     program.  Zero indicates the end of the list.
  *
  * Returned Value:
diff --git a/libs/libc/unistd/lib_execle.c b/libs/libc/unistd/lib_execle.c
index 1aaffe5f74..a4860c2919 100644
--- a/libs/libc/unistd/lib_execle.c
+++ b/libs/libc/unistd/lib_execle.c
@@ -104,7 +104,7 @@
  *     is defined in the configuration, then this may be a relative path
  *     from the current working directory.  Otherwise, path must be the
  *     absolute path to the program.
- *   ... - A list of the string arguments to be recevied by the
+ *   ... - A list of the string arguments to be received by the
  *     program.  Zero indicates the end of the list.
  *
  * Returned Value:
diff --git a/libs/libdsp/lib_observer.c b/libs/libdsp/lib_observer.c
index 158928b141..9abffc9fc9 100644
--- a/libs/libdsp/lib_observer.c
+++ b/libs/libdsp/lib_observer.c
@@ -263,8 +263,8 @@ void motor_aobserver_smo(FAR struct motor_aobserver_f32_s *o,
   /* Configure low pass filters
    *
    * We tune low-pass filters to achieve cutoff frequency equal to
-   * input singal frequency. This gives us constant phase shift between
-   * input and outpu signals equals to:
+   * input signal frequency. This gives us constant phase shift between
+   * input and output signals equals to:
    *
    *   phi = -arctan(f_in/f_c) = -arctan(1) = -45deg = -PI/4
    *
diff --git a/libs/libdsp/lib_observer_b16.c b/libs/libdsp/lib_observer_b16.c
index 10474dc6dd..5c40735fb2 100644
--- a/libs/libdsp/lib_observer_b16.c
+++ b/libs/libdsp/lib_observer_b16.c
@@ -259,8 +259,8 @@ void motor_aobserver_smo_b16(FAR struct motor_aobserver_b16_s *o,
   /* Configure low pass filters
    *
    * We tune low-pass filters to achieve cutoff frequency equal to
-   * input singal frequency. This gives us constant phase shift between
-   * input and outpu signals equals to:
+   * input signal frequency. This gives us constant phase shift between
+   * input and output signals equals to:
    *
    *   phi = -arctan(f_in/f_c) = -arctan(1) = -45deg = -PI/4
    *
diff --git a/libs/libnx/nxfonts/README.txt b/libs/libnx/nxfonts/README.txt
index e43df5f84b..d91e3da8ad 100644
--- a/libs/libnx/nxfonts/README.txt
+++ b/libs/libnx/nxfonts/README.txt
@@ -17,7 +17,7 @@ Installing New Fonts
     1. Locate a font in BDF format,
     2. Use the bdf-converter program to convert the BDF font to the NuttX
        font format.  This will result in a C header file containing
-       defintions.  That header file should be installed at, for example,
+       definitions.  That header file should be installed at, for example,
        graphics/nxfonts/nxfonts_myfont.h.
 
   Create a new NuttX configuration variable.  For example, suppose
diff --git a/libs/libnx/nxglib/nxglib_rectadd.c b/libs/libnx/nxglib/nxglib_rectadd.c
index 9509367de4..7112f35569 100644
--- a/libs/libnx/nxglib/nxglib_rectadd.c
+++ b/libs/libnx/nxglib/nxglib_rectadd.c
@@ -34,7 +34,7 @@
  * Name: nxgl_rectadd
  *
  * Description:
- *   Return the rectangle that contains exactly two other rectanges.
+ *   Return the rectangle that contains exactly two other rectangles.
  *
  ****************************************************************************/
 
diff --git a/libs/libnx/nxglib/nxglib_rectunion.c b/libs/libnx/nxglib/nxglib_rectunion.c
index 931b89fea9..52ed3046c9 100644
--- a/libs/libnx/nxglib/nxglib_rectunion.c
+++ b/libs/libnx/nxglib/nxglib_rectunion.c
@@ -34,7 +34,7 @@
  * Name: nxgl_rectunion
  *
  * Description:
- *   Given two rectanges, src1 and src2, return the larger rectangle that
+ *   Given two rectangles, src1 and src2, return the larger rectangle that
  *   contains both, dest.
  *
  ****************************************************************************/
diff --git a/libs/libnx/nxglib/nxglib_rgbblend.c b/libs/libnx/nxglib/nxglib_rgbblend.c
index 00c435a744..00ed55ffc6 100644
--- a/libs/libnx/nxglib/nxglib_rgbblend.c
+++ b/libs/libnx/nxglib/nxglib_rgbblend.c
@@ -47,7 +47,7 @@
  *   implementation of anti-aliasing without transparency.
  *
  * Input Parameters:
- *   component1 - The semi-transparent, forground 8-bit color component
+ *   component1 - The semi-transparent, foreground 8-bit color component
  *   component2 - The opaque, background color component
  *   frac1  - The fractional amount of component1 to blend into component2
  *
@@ -114,7 +114,7 @@ static uint8_t nxglib_blend_component(uint8_t component1, uint8_t component2,
  *   implementation of anti-aliasing without transparency.
  *
  * Input Parameters:
- *   color1 - The semi-transparent, forground color
+ *   color1 - The semi-transparent, foreground color
  *   color2 - The opaque, background color
  *   frac1  - The fractional amount of color1 to blend into color2
  *
diff --git a/libs/libnx/nxglib/nxglib_splitline.c b/libs/libnx/nxglib/nxglib_splitline.c
index e5ea306023..a1cd50dbfe 100644
--- a/libs/libnx/nxglib/nxglib_splitline.c
+++ b/libs/libnx/nxglib/nxglib_splitline.c
@@ -71,7 +71,7 @@ static b16_t nxgl_interpolate(b16_t x, b16_t dy, b16_t dxdy)
  *   2. If x1 == x2 then the line is vertical and also better represented
  *      as a rectangle.
  *   3. If the width of the line is 1, then there are no triangles at the
- *      top and bottome (this may also be the case if the width is narrow
+ *      top and bottom (this may also be the case if the width is narrow
  *      and the line is near vertical).
  *   4. If the line is oriented is certain angles, it may consist only of
  *      the upper and lower triangles with no trapezoid in between.  In
diff --git a/libs/libnx/nxmu/nx_cursor.c b/libs/libnx/nxmu/nx_cursor.c
index f48d989879..ad91bc7c07 100644
--- a/libs/libnx/nxmu/nx_cursor.c
+++ b/libs/libnx/nxmu/nx_cursor.c
@@ -188,7 +188,7 @@ int nxcursor_setposition(NXHANDLE hnd, FAR const struct nxgl_point_s *pos)
  *   CAUTION:  The current cursor position is not updated until the display
  *   is actually changed.  Due to asynchronies caused by queue, the new
  *   current cursor position may not match the cursor position set until
- *   the client and server are syncrhonized.
+ *   the client and server are synchronized.
  *
  * Input Parameters:
  *   hnd - The server handle returned by nx_connect()
diff --git a/libs/libnx/nxmu/nx_synch.c b/libs/libnx/nxmu/nx_synch.c
index b5024fb2e1..b1ebc75b3e 100644
--- a/libs/libnx/nxmu/nx_synch.c
+++ b/libs/libnx/nxmu/nx_synch.c
@@ -39,7 +39,7 @@
  * Name: nx_synch
  *
  * Description:
- *   This interface can be used to syncrhonize the window client with the
+ *   This interface can be used to synchronize the window client with the
  *   NX server.  It really just implements an 'echo':  A synch message is
  *   sent from the window client to the server which then responds
  *   immediately by sending the NXEVENT_SYNCHED back to the windows client.
@@ -69,7 +69,7 @@
  *           }
  *       }
  *
- *   When the windwo listener thread receives the NXEVENT_SYNCHED event, it
+ *   When the window listener thread receives the NXEVENT_SYNCHED event, it
  *   would set g_synched to true and post g_synch_sem, waking up the above
  *   loop.
  *
diff --git a/libs/libnx/nxtk/nxtk_events.c b/libs/libnx/nxtk/nxtk_events.c
index 45a934799f..dcccc9af77 100644
--- a/libs/libnx/nxtk/nxtk_events.c
+++ b/libs/libnx/nxtk/nxtk_events.c
@@ -228,7 +228,7 @@ static void nxtk_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
 
   /* The fwrect and tbrect boxes are both in absolute display coordinates. So
    * the easiest thing to do is to restore the mouse position to absolute
-   * display coordiantes before making the comparisons and adjustments.
+   * display coordinates before making the comparisons and adjustments.
    */
 
   nxgl_vectoradd(&abspos, pos, &fwnd->wnd.bounds.pt1);
diff --git a/libs/libnx/nxtk/nxtk_synch.c b/libs/libnx/nxtk/nxtk_synch.c
index d25799f16a..2d103e3253 100644
--- a/libs/libnx/nxtk/nxtk_synch.c
+++ b/libs/libnx/nxtk/nxtk_synch.c
@@ -36,7 +36,7 @@
  * Name: nxtk_synch
  *
  * Description:
- *   This interface can be used to syncrhonize the window client with the
+ *   This interface can be used to synchronize the window client with the
  *   NX server.  It really just implements an 'echo':  A synch message is
  *   sent from the window client to the server which then responds
  *   immediately by sending the NXEVENT_SYNCHED back to the windows client.
@@ -66,7 +66,7 @@
  *           }
  *       }
  *
- *   When the windwo listener thread receives the NXEVENT_SYNCHED event, it
+ *   When the window listener thread receives the NXEVENT_SYNCHED event, it
  *   would set g_synched to true and post g_synch_sem, waking up the above
  *   loop.
  *
diff --git a/sched/sched/sched_verifytcb.c b/sched/sched/sched_verifytcb.c
index 8703fd8c85..01a6f19bd9 100644
--- a/sched/sched/sched_verifytcb.c
+++ b/sched/sched/sched_verifytcb.c
@@ -69,11 +69,11 @@ bool nxsched_verify_tcb(FAR struct tcb_s *tcb)
    */
 
   irqstate_t flags;
-  bool vaild;
+  bool valid;
 
   flags = enter_critical_section();
-  vaild = tcb == g_pidhash[PIDHASH(tcb->pid)];
+  valid = tcb == g_pidhash[PIDHASH(tcb->pid)];
   leave_critical_section(flags);
 
-  return vaild;
+  return valid;
 }
diff --git a/tools/minidumpserver.py b/tools/minidumpserver.py
index 61ad8a27e1..f44af7d469 100755
--- a/tools/minidumpserver.py
+++ b/tools/minidumpserver.py
@@ -45,7 +45,7 @@ class dump_elf_file:
     Class to parse ELF file for memory content in various sections.
     There are read-only sections (e.g. text and rodata) where
     the memory content does not need to be dumped via coredump
-    and can be retrived from the ELF file.
+    and can be retrieved from the ELF file.
     """
 
     def __init__(self, elffile):
diff --git a/tools/parsememdump.py b/tools/parsememdump.py
index 7707e98060..1c8d4eeec8 100755
--- a/tools/parsememdump.py
+++ b/tools/parsememdump.py
@@ -101,7 +101,7 @@ if __name__ == "__main__":
         nargs=1,
     )
 
-    parser.add_argument("-o", "--output", help="output file,defult output shell")
+    parser.add_argument("-o", "--output", help="output file,default output shell")
 
     args = parser.parse_args()
     dump_file = open("%s" % args.file[0], "r")
diff --git a/tools/size_report.py b/tools/size_report.py
index ad39216fca..21e038fc9b 100755
--- a/tools/size_report.py
+++ b/tools/size_report.py
@@ -292,7 +292,7 @@ def do_simple_name_matching(elf, symbol_dict, processed):
                 # an actual address
                 elif "DW_AT_low_pc" in die.attributes:
                     # DW_AT_low_pc == 0 is a weak function
-                    # which has been overriden
+                    # which has been overridden
                     if die.attributes["DW_AT_low_pc"].value != 0:
                         sym_name = die.get_full_path()