diff --git a/arch/arm/src/common/up_blocktask.c b/arch/arm/src/common/up_blocktask.c
index cb4744fd82..819208a2ce 100644
--- a/arch/arm/src/common/up_blocktask.c
+++ b/arch/arm/src/common/up_blocktask.c
@@ -54,11 +54,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_copystate.c b/arch/arm/src/common/up_copystate.c
index 06ca5a80fd..1c4cb42ecc 100644
--- a/arch/arm/src/common/up_copystate.c
+++ b/arch/arm/src/common/up_copystate.c
@@ -57,7 +57,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_dataabort.c b/arch/arm/src/common/up_dataabort.c
index 6ca447bb7d..334cdc4c19 100644
--- a/arch/arm/src/common/up_dataabort.c
+++ b/arch/arm/src/common/up_dataabort.c
@@ -66,7 +66,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_doirq.c b/arch/arm/src/common/up_doirq.c
index 11cfa0bba9..293b9fdc4f 100644
--- a/arch/arm/src/common/up_doirq.c
+++ b/arch/arm/src/common/up_doirq.c
@@ -63,7 +63,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 void up_doirq(int irq, uint32* regs)
diff --git a/arch/arm/src/common/up_idle.c b/arch/arm/src/common/up_idle.c
index a0eb8df366..08f7f1080a 100644
--- a/arch/arm/src/common/up_idle.c
+++ b/arch/arm/src/common/up_idle.c
@@ -51,11 +51,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_initialstate.c b/arch/arm/src/common/up_initialstate.c
index a9fb3a075f..2dd1695ba4 100644
--- a/arch/arm/src/common/up_initialstate.c
+++ b/arch/arm/src/common/up_initialstate.c
@@ -53,11 +53,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_prefetchabort.c b/arch/arm/src/common/up_prefetchabort.c
index 58894a7029..809c90d954 100644
--- a/arch/arm/src/common/up_prefetchabort.c
+++ b/arch/arm/src/common/up_prefetchabort.c
@@ -66,7 +66,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_releasepending.c b/arch/arm/src/common/up_releasepending.c
index 5cc7381466..d62fb25c21 100644
--- a/arch/arm/src/common/up_releasepending.c
+++ b/arch/arm/src/common/up_releasepending.c
@@ -54,11 +54,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_reprioritizertr.c b/arch/arm/src/common/up_reprioritizertr.c
index 339550eeb0..b802f2e848 100644
--- a/arch/arm/src/common/up_reprioritizertr.c
+++ b/arch/arm/src/common/up_reprioritizertr.c
@@ -54,11 +54,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_schedulesigaction.c b/arch/arm/src/common/up_schedulesigaction.c
index a6b2315afa..36be3eb244 100644
--- a/arch/arm/src/common/up_schedulesigaction.c
+++ b/arch/arm/src/common/up_schedulesigaction.c
@@ -60,11 +60,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_sigdeliver.c b/arch/arm/src/common/up_sigdeliver.c
index 04202b1a4f..16227ae21b 100644
--- a/arch/arm/src/common/up_sigdeliver.c
+++ b/arch/arm/src/common/up_sigdeliver.c
@@ -65,7 +65,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/common/up_unblocktask.c b/arch/arm/src/common/up_unblocktask.c
index f7af3fb4fb..a657a1b845 100644
--- a/arch/arm/src/common/up_unblocktask.c
+++ b/arch/arm/src/common/up_unblocktask.c
@@ -55,11 +55,11 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Private Funtions
+ * Private Functions
  ****************************************************************************/
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************