diff --git a/alib2data/src/grammar/Regular/LeftRG.h b/alib2data/src/grammar/Regular/LeftRG.h
index f5d1f9f5799d532cb8187137544a98cdbeb28258..91723976255290c04ed553b0cc88b470576b3c75 100644
--- a/alib2data/src/grammar/Regular/LeftRG.h
+++ b/alib2data/src/grammar/Regular/LeftRG.h
@@ -1,6 +1,22 @@
 /*
  * LeftRG.h
  *
+ * This file is part of Algorithms library toolkit.
+ * Copyright (C) 2017 Jan Travnicek (jan.travnicek@fit.cvut.cz)
+
+ * Algorithms library toolkit 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.
+
+ * Algorithms library toolkit 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 Algorithms library toolkit.  If not, see <http://www.gnu.org/licenses/>.
+ *
  *  Created on: Nov 17, 2013
  *      Author: Jan Travnicek
  */