diff --git a/poky/documentation/ref-manual/ref-system-requirements.rst b/poky/documentation/ref-manual/ref-system-requirements.rst
index 56218e4..54f38f6 100644
--- a/poky/documentation/ref-manual/ref-system-requirements.rst
+++ b/poky/documentation/ref-manual/ref-system-requirements.rst
@@ -1,4 +1,4 @@
-.. SPDX-License-Identifier: CC-BY-2.0-UK
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
 
 *******************
 System Requirements