diff --git a/doc/RDFService/stylesheet.css b/doc/RDFService/stylesheet.css
index 6ea9e5161..7e877986b 100644
--- a/doc/RDFService/stylesheet.css
+++ b/doc/RDFService/stylesheet.css
@@ -1,3 +1,4 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
 /* Javadoc style sheet */
 
 /* Define colors, fonts and other style attributes here to override the defaults */