diff --git a/poky/meta/classes/copyleft_compliance.bbclass b/poky/meta/classes/copyleft_compliance.bbclass
index eabf12c..9ff9956 100644
--- a/poky/meta/classes/copyleft_compliance.bbclass
+++ b/poky/meta/classes/copyleft_compliance.bbclass
@@ -1,3 +1,9 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
 # Deploy sources for recipes for compliance with copyleft-style licenses
 # Defaults to using symlinks, as it's a quick operation, and one can easily
 # follow the links when making use of the files (e.g. tar with the -h arg).