diff --git a/src/timesync/80-systemd-timesync.list b/src/timesync/80-systemd-timesync.list
index d5959ade89..95e15f786a 100644
--- a/src/timesync/80-systemd-timesync.list
+++ b/src/timesync/80-systemd-timesync.list
@@ -1 +1,4 @@
+# This file is part of systemd.
+# See systemd-timedated.service(8) for more information.
+
 systemd-timesyncd.service