diff --git a/src/vleafmodel.h b/src/vleafmodel.h
--- a/src/vleafmodel.h
+++ b/src/vleafmodel.h
@@ -1,12 +1,29 @@
 /*
- *  vleafmodel.h
- *  mymodel
+ *
+ *  $Id$
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  The Virtual Leaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
  *
- *  Created by Roeland Merks on 08-06-10.
- *  Copyright 2010 __MyCompanyName__. All rights reserved.
+ *  The Virtual Leaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
  *
  */
 
+#ifndef _VLEAFMODEL_H_
+#define _VLEAFMODEL_H_
+
 #include <QObject>
 #include <QtGui>
 #include <fstream>
@@ -18,3 +35,5 @@
 #include "cellbase.h"
 #include "mymodel.h"
 #include "flux_function.h"
+
+#endif