Update COPYING

COPYING

@@ -3,15 +3,14 @@
 
  Copyright (c) 2006 Mehdi Abaakouk
 
- This program is free software; you can redistribute it and/or modify
+ 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
+ the Free Software Foundation, either version 3 of the License.
 
  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, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.