1 files changed, 1 insertions, 1 deletions

diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 55fee8a40..b9eabb145 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -20,7 +20,7 @@ static int fd;
 
 static void watchdog_shutdown(int ATTRIBUTE_UNUSED unused)
 {
-        write(fd, "V", 1);      /* Magic */
+        write(fd, "V", 1);      /* Magic, see watchdog-api.txt in kernel */
         close(fd);
         exit(0);
 }