diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 0e23f29f71ab..0f5c77ddd39d 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -24,7 +24,7 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
-/* If the kernel parameter wdt_enable=1, the watchdog will be enabled at boot.
+/* If the kernel parameter wdt=1, the watchdog will be enabled at boot.
  * Also, the wdt_period sets the watchdog timer period timeout.
  * For E500 cpus the wdt_period sets which bit changing from 0->1 will
  * trigger a watchog timeout. This watchdog timeout will occur 3 times, the