diff --git a/poky/documentation/migration-guides/release-3.4.rst b/poky/documentation/migration-guides/release-3.4.rst
index 6602310..043fdd1 100644
--- a/poky/documentation/migration-guides/release-3.4.rst
+++ b/poky/documentation/migration-guides/release-3.4.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
+
 Release 3.4 (honister)
 ======================