diff --git a/arch/arm/src/armv6-m/arm_saveusercontext.S b/arch/arm/src/armv6-m/arm_saveusercontext.S
index 510d0450b8..6341b3059c 100644
--- a/arch/arm/src/armv6-m/arm_saveusercontext.S
+++ b/arch/arm/src/armv6-m/arm_saveusercontext.S
@@ -63,7 +63,7 @@ up_saveusercontext:
 	str		r2, [r0, #(4*REG_R2)]
 	str		r3, [r0, #(4*REG_R3)]
 
-	/* Save r12，r14, pc */
+	/* Save r12, r14, pc */
 
 	mov		r1, r12
 	mov		r2, r14
diff --git a/arch/arm/src/armv7-m/arm_saveusercontext.S b/arch/arm/src/armv7-m/arm_saveusercontext.S
index 937104a269..58d02f575f 100644
--- a/arch/arm/src/armv7-m/arm_saveusercontext.S
+++ b/arch/arm/src/armv7-m/arm_saveusercontext.S
@@ -56,7 +56,7 @@
 
 up_saveusercontext:
 
-	/* Save r0~r3, r12，r14, pc */
+	/* Save r0~r3, r12, r14, pc */
 
 	str		r0, [r0, #(4*REG_R0)]
 	str		r1, [r0, #(4*REG_R1)]
diff --git a/arch/arm/src/armv8-m/arm_saveusercontext.S b/arch/arm/src/armv8-m/arm_saveusercontext.S
index b564ebe66e..ff8897ee31 100644
--- a/arch/arm/src/armv8-m/arm_saveusercontext.S
+++ b/arch/arm/src/armv8-m/arm_saveusercontext.S
@@ -56,7 +56,7 @@
 
 up_saveusercontext:
 
-	/* Save r0~r3, r12，r14, pc */
+	/* Save r0~r3, r12, r14, pc */
 
 	str		r0, [r0, #(4*REG_R0)]
 	str		r1, [r0, #(4*REG_R1)]
diff --git a/arch/sparc/src/bm3823/bm3823_head.S b/arch/sparc/src/bm3823/bm3823_head.S
index d947a43361..eafc39c69d 100644
--- a/arch/sparc/src/bm3823/bm3823_head.S
+++ b/arch/sparc/src/bm3823/bm3823_head.S
@@ -325,7 +325,7 @@ __start:
 
         set   EXTER_REG,%g1
         ld    [%g1+4], %g2
-        or    %g2, 0x4f, %g2        	/*将存储器配置为读改写（区别于写选通），等待后期设置为最大*/
+        or    %g2, 0x4f, %g2        	/*将存储器配置为读改写（区别于写选通）, 等待后期设置为最大*/
         st    %g2, [%g1+4]
         nop
 
diff --git a/include/langinfo.h b/include/langinfo.h
index 9a7cad778d..32edd88b80 100644
--- a/include/langinfo.h
+++ b/include/langinfo.h
@@ -33,7 +33,7 @@
  ****************************************************************************/
 
 #define NL_ITEM(cat, index) (((cat) << 16) | (index))
-#define NL_LOCALE_NAME(cat) NL_ITEM((cat)， (0xffff))
+#define NL_LOCALE_NAME(cat) NL_ITEM((cat),  (0xffff))
 
 #define CODESET             NL_ITEM(LC_CTYPE,    0x0e)