--- a/inst/gmm_example.m
+++ b/inst/gmm_example.m
@@ -1,22 +1,21 @@
-# Copyright (C) 2003,2004, 2005  Michael Creel <michael.creel@uab.es>
-#
-# 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 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/>.
+## Copyright (C) 2003, 2004, 2005 Michael Creel <michael.creel@uab.es>
+##
+## 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/>.
 
-# GMM example file, shows initial consistent estimator,
-# estimation of efficient weight, and second round
-# efficient estimator
-
+## GMM example file, shows initial consistent estimator,
+## estimation of efficient weight, and second round
+## efficient estimator
 
 n = 1000;
 k = 5;