diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 2db1ee4b7509..d3b94b043a92 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -59,7 +59,7 @@
 #define	OPCODE_WRDI		0x04	/* Write disable */
 #define	OPCODE_AAI_WP		0xad	/* Auto address increment word program */
 
-/* Used for Macronix flashes only. */
+/* Used for Macronix and Winbond flashes. */
 #define	OPCODE_EN4B		0xb7	/* Enter 4-byte mode */
 #define	OPCODE_EX4B		0xe9	/* Exit 4-byte mode */