add doc/rotate-ntp.md

1 files changed, 1 insertions, 0 deletions

diff --git a/rotate-ntp b/rotate-ntp
index 534f400..e0c1999 100644
--- a/rotate-ntp
+++ b/rotate-ntp
@@ -3,6 +3,7 @@
 # Copyright (c) 2013-2020 Christian Hesse <mail@eworm.de>
 #
 # rotate the ntp servers
+# https://git.eworm.de/cgit/routeros-scripts/about/doc/rotate-ntp.md
 
 :global NtpPool;