diff --git a/poky/scripts/oe-trim-schemas b/poky/scripts/oe-trim-schemas
index 7c199ef..bf77c8c 100755
--- a/poky/scripts/oe-trim-schemas
+++ b/poky/scripts/oe-trim-schemas
@@ -1,4 +1,7 @@
 #! /usr/bin/env python3
+#
+# SPDX-License-Identifier: GPL-2.0-only
+#
 
 import sys
 try: