diff --git a/src/commands.cpp b/src/commands.cpp
index 5b99cbf..c9ae12b 100644
--- a/src/commands.cpp
+++ b/src/commands.cpp
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2015-2016 Winfried Simon
+*
+* This software may be used under the terms of the GNU Lesser General 
+* Public License version 2.1 as published by the Free Software Foundation 
+* and appearing in the file license.txt included in the packaging of this file.
+*
+* This program 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 #include "commands.h"
 #include <QUndoCommand>