diff --git a/Demo/Common/include/flash_timer.h b/Demo/Common/include/flash_timer.h
index 802dac978..989b28202 100644
--- a/Demo/Common/include/flash_timer.h
+++ b/Demo/Common/include/flash_timer.h
@@ -64,4 +64,4 @@
  */
 void vStartLEDFlashTimers( unsigned portBASE_TYPE xNumberOfLEDs );
 
-#endif FLASH_TIMER_H
+#endif /* FLASH_TIMER_H */