diff --git a/mod/scriptrunonce.rsc b/mod/scriptrunonce.rsc
index 96c49c3..376e778 100644
--- a/mod/scriptrunonce.rsc
+++ b/mod/scriptrunonce.rsc
@@ -2,6 +2,9 @@
 # RouterOS script: mod/scriptrunonece
 # Copyright (c) 2020-2023 Christian Hesse <mail@eworm.de>
 # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
+#
+# download script and run it once
+# https://git.eworm.de/cgit/routeros-scripts/about/doc/mod/scriptrunonce.md
 
 :global ScriptRunOnce;