diff --git a/themes/wilma/css/visualization/entityComparison/layout.css b/themes/wilma/css/visualization/entityComparison/layout.css
index ac4c5f31..c3d2f34a 100644
--- a/themes/wilma/css/visualization/entityComparison/layout.css
+++ b/themes/wilma/css/visualization/entityComparison/layout.css
@@ -1,3 +1,5 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
 @CHARSET "UTF-8";
 
 head,#body {