diff --git a/.bin/check-file-for-starting-slash b/.bin/check-file-for-starting-slash
index 1f82e2ad..0c6c7001 100644
--- a/.bin/check-file-for-starting-slash
+++ b/.bin/check-file-for-starting-slash
@@ -1,7 +1,11 @@
 #!/usr/bin/env bash
-#Script to verify if a file contain any entries starting with a slash and show a warning into the github action result UI.
+# Script to verify if a file contain any entries starting with a slash and show a warning into the github action result UI.
+# Received as input a list of file paths to check separated by a space.
+# More precisely the result of the "tj-actions/changed-files" github action.
+## References:
+# See https://github.com/tj-actions/changed-files
 modified_files="$1"
-for modified_file in modified_files
+for modified_file in $modified_files
 do
   echo "[+] Check $modified_file ..."
   matches=$(grep -cE '^/[a-zA-Z0-9\._]+' $modified_file)