css correction
diff --git a/src/assets/css/additional.css b/src/assets/css/additional.css
index ac15822..1d8be1e 100644
--- a/src/assets/css/additional.css
+++ b/src/assets/css/additional.css
@@ -5,10 +5,6 @@
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
-*
-* Contributors:
-*     Stefan Brockmann - initial API and implementation
-*     Jan Krueger - Login Portlet
 *******************************************************************************/
 -->