diff --git a/Gitlab-hook-script.md b/Gitlab-hook-script.md
index 5d22b76..3edc509 100644
--- a/Gitlab-hook-script.md
+++ b/Gitlab-hook-script.md
@@ -11,7 +11,7 @@ The script pushes the challenge to the pages git defined in $REPO, waits for it
 #
 # Add the following options to your config file:
 # TOKEN= API token, generate in Gitlab profile settings (select API access)
-# PROJECT= project ID on Gitlab (general project settings)
+# PROJECT= ID or URL-encoded path of the project (replace / with %2F)
 # REPO= path to local git repo of your pages project
 
 . "$BASEDIR/$CONFIG"