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-rw-r--r--miscutils/watchdog.c2
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);
}