diff --git a/inst/lat/pyext/GLATLtCube.i b/inst/lat/pyext/GLATLtCube.i
index 7a21297..d727920 100644
--- a/inst/lat/pyext/GLATLtCube.i
+++ b/inst/lat/pyext/GLATLtCube.i
@@ -1,18 +1,26 @@
 /***************************************************************************
- *                 GLATLtCube.i  -  Fermi LAT lifetime cube                *
+ *                 GLATLtCube.i  -  Fermi/LAT lifetime cube                *
  * ----------------------------------------------------------------------- *
  *  copyright (C) 2010-2011 by Jurgen Knodlseder                           *
  * ----------------------------------------------------------------------- *
  *                                                                         *
- *   This program 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 2 of the License, or     *
- *   (at your option) any later version.                                   *
+ *  This program 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.                                    *
+ *                                                                         *
+ *  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 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/>.  *
  *                                                                         *
  ***************************************************************************/
 /**
  * @file GLATLtCube.i
- * @brief GLATLtCube class python bindings
+ * @brief Fermi/LAT lifetime cube Python interface definition
  * @author J. Knodlseder
  */
 %{