diff --git a/check_wiki/check_wiki_file_structure.py b/check_wiki/check_wiki_file_structure.py
index c5c937f93ed32ec286e65546cc3c7331bf529a6b..18ed5f765324eec2e0c267c3eab50e66da3da98c 100755
--- a/check_wiki/check_wiki_file_structure.py
+++ b/check_wiki/check_wiki_file_structure.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 """
 This script is to validate the WIKI page that documents Blender's file-structure, see: