add legal files
diff --git a/contrib/org.eclipse.objectteams.jdt.nullity.feature/feature.xml b/contrib/org.eclipse.objectteams.jdt.nullity.feature/feature.xml
index 013737c..8027abb 100644
--- a/contrib/org.eclipse.objectteams.jdt.nullity.feature/feature.xml
+++ b/contrib/org.eclipse.objectteams.jdt.nullity.feature/feature.xml
@@ -11,7 +11,8 @@
    </description>
 
    <copyright>
-      Copyright Stephan Herrmann
+      Copyright (c) 2011 GK Software AG and others.
+Author: Stephan Herrmann
    </copyright>
 
    <license url="%licenseURL">