diff --git a/arch/arm/src/kinetis/kinetis_enet.c b/arch/arm/src/kinetis/kinetis_enet.c
index 096ff54a3df..025dcc2e642 100644
--- a/arch/arm/src/kinetis/kinetis_enet.c
+++ b/arch/arm/src/kinetis/kinetis_enet.c
@@ -69,7 +69,7 @@
 #if defined(KINETIS_NENET) && KINETIS_NENET > 0
 
 /****************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ****************************************************************************/
 
 /* CONFIG_ENET_NETHIFS determines the number of physical interfaces