diff --git a/poky/documentation/brief-yoctoprojectqs/brief-yoctoprojectqs-titlepage.xsl b/poky/documentation/brief-yoctoprojectqs/brief-yoctoprojectqs-titlepage.xsl
index a435ac7..e74ac53 100644
--- a/poky/documentation/brief-yoctoprojectqs/brief-yoctoprojectqs-titlepage.xsl
+++ b/poky/documentation/brief-yoctoprojectqs/brief-yoctoprojectqs-titlepage.xsl
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<!--SPDX-License-Identifier: CC-BY-2.0-UK-->
 
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:exsl="http://exslt.org/common" version="1.0" exclude-result-prefixes="exsl">