diff --git a/arch/arm/src/moxart/moxart_systemreset.c b/arch/arm/src/moxart/moxart_systemreset.c
index 607048ce09c..68b49b8426b 100644
--- a/arch/arm/src/moxart/moxart_systemreset.c
+++ b/arch/arm/src/moxart/moxart_systemreset.c
@@ -55,7 +55,7 @@
 #define FTWDT010_CR      0x9850000C
 
 /****************************************************************************
- * Public functions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
diff --git a/arch/arm/src/stm32/stm32_dma2d.c b/arch/arm/src/stm32/stm32_dma2d.c
index e25f5a66bf0..99d955d9289 100644
--- a/arch/arm/src/stm32/stm32_dma2d.c
+++ b/arch/arm/src/stm32/stm32_dma2d.c
@@ -209,7 +209,7 @@ static int stm32_dma2d_loutpfc(uint8_t fmt);
 static void stm32_dma2d_lpfc(int lid, uint32_t blendmode, uint8_t alpha,
                              uint8_t fmt);
 
-/* Public functions */
+/* Public Functions */
 
 #ifdef CONFIG_STM32_FB_CMAP
 static int stm32_dma2d_setclut(FAR const struct fb_cmap_s *cmap);
diff --git a/arch/arm/src/stm32f7/stm32_dma2d.c b/arch/arm/src/stm32f7/stm32_dma2d.c
index ffa5bc1926a..cba3c767ddc 100644
--- a/arch/arm/src/stm32f7/stm32_dma2d.c
+++ b/arch/arm/src/stm32f7/stm32_dma2d.c
@@ -208,7 +208,7 @@ static int stm32_dma2d_loutpfc(uint8_t fmt);
 static void stm32_dma2d_lpfc(int lid, uint32_t blendmode, uint8_t alpha,
                              uint8_t fmt);
 
-/* Public functions */
+/* Public Functions */
 
 #ifdef CONFIG_STM32F7_FB_CMAP
 static int stm32_dma2d_setclut(FAR const struct fb_cmap_s *cmap);
diff --git a/arch/arm/src/stm32l4/stm32l4_tim.h b/arch/arm/src/stm32l4/stm32l4_tim.h
index 0c210cadd45..d887ec61d17 100644
--- a/arch/arm/src/stm32l4/stm32l4_tim.h
+++ b/arch/arm/src/stm32l4/stm32l4_tim.h
@@ -209,7 +209,7 @@ struct stm32l4_tim_ops_s
 };
 
 /****************************************************************************
- * Public functions
+ * Public Functions Prototypes
  ****************************************************************************/
 
 /* Power-up timer and get its structure */
diff --git a/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h b/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
index 06d721d628e..17a45dda707 100644
--- a/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
+++ b/boards/arm/stm32l4/nucleo-l432kc/src/nucleo-l432kc.h
@@ -131,7 +131,7 @@ extern struct spi_dev_s *g_spi2;
 #endif
 
 /****************************************************************************
- * Public functions
+ * Public Functions Prototypes
  ****************************************************************************/
 
 /****************************************************************************