Fix the typo from "cannpt" -> "cannot".

Signed-off-by: Tze-nan Wu <r08922135@csie.ntu.edu.tw>
---
 kernel/watchdog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 8e61f21e7..98201b425 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -282,7 +282,7 @@ void touch_all_softlockup_watchdogs(void)
 	int cpu;
 
 	/*
-	 * watchdog_mutex cannpt be taken here, as this might be called
+	 * watchdog_mutex cannot be taken here, as this might be called
 	 * from (soft)interrupt context, so the access to
 	 * watchdog_allowed_cpumask might race with a concurrent update.
 	 *
-- 
2.25.1