diff --git a/poky/documentation/adt-manual/adt-manual-eclipse-customization.xsl b/poky/documentation/adt-manual/adt-manual-eclipse-customization.xsl
index 77ba5f5..3d536d5 100644
--- a/poky/documentation/adt-manual/adt-manual-eclipse-customization.xsl
+++ b/poky/documentation/adt-manual/adt-manual-eclipse-customization.xsl
@@ -1,4 +1,6 @@
 <?xml version='1.0'?>
+<!--SPDX-License-Identifier: CC-BY-2.0-UK-->
+
 <xsl:stylesheet
 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 	xmlns="http://www.w3.org/1999/xhtml"