diff --git a/boards/ST_STM32F4_DISCOVERY/board.h b/boards/ST_STM32F4_DISCOVERY/board.h
index d93e4a125..6a7eb49d6 100644
--- a/boards/ST_STM32F4_DISCOVERY/board.h
+++ b/boards/ST_STM32F4_DISCOVERY/board.h
@@ -45,7 +45,7 @@
 #define STM32_VDD               300
 
 /*
- * MCU type as defined in the ST header file stm32l1xx.h.
+ * MCU type as defined in the ST header file stm32f4xx.h.
  */
 #define STM32F4XX