--- a/src/ohsndrcv.cxx
+++ b/src/ohsndrcv.cxx
@@ -1,15 +1,15 @@
 /* Copyright (C) 2015 J.F.Dockes
  *   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
+ *   it under the terms of the GNU Lesser General Public License as published by
+ *   the Free Software Foundation; either version 2.1 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.
+ *   GNU Lesser General Public License for more details.
  *
- *   You should have received a copy of the GNU General Public License
+ *   You should have received a copy of the GNU Lesser General Public License
  *   along with this program; if not, write to the
  *   Free Software Foundation, Inc.,
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.