diff --git a/arch/renesas/src/common/up_internal.h b/arch/renesas/src/common/up_internal.h
index e477f2b4fc..1977dbe661 100644
--- a/arch/renesas/src/common/up_internal.h
+++ b/arch/renesas/src/common/up_internal.h
@@ -109,7 +109,7 @@ extern uint32_t g_idle_topstack;
  ****************************************************************************/
 
 /****************************************************************************
- * Public Functions
+ * Public Function Prototypes
  ****************************************************************************/
 
 #ifndef __ASSEMBLY__