diff --git a/src/test/java/de/neemann/digital/gui/components/EditorFactoryTest.java b/src/test/java/de/neemann/digital/gui/components/EditorFactoryTest.java
index b62f36f53..107d02a7d 100644
--- a/src/test/java/de/neemann/digital/gui/components/EditorFactoryTest.java
+++ b/src/test/java/de/neemann/digital/gui/components/EditorFactoryTest.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2016 Helmut Neemann
+ * Use of this source code is governed by the GPL v3 license
+ * that can be found in the LICENSE file.
+ */
 package de.neemann.digital.gui.components;
 
 import de.neemann.digital.core.element.ElementAttributes;