Index: export_openscad.c
===================================================================
--- export_openscad.c	(revision 13190)
+++ export_openscad.c	(revision 13191)
@@ -16,7 +16,7 @@
   *
   *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   */
 
Index: scad_draw.c
===================================================================
--- scad_draw.c	(revision 13190)
+++ scad_draw.c	(revision 13191)
@@ -16,7 +16,7 @@
   *
   *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   */
 
Index: scad_models.c
===================================================================
--- scad_models.c	(revision 13190)
+++ scad_models.c	(revision 13191)
@@ -16,7 +16,7 @@
   *
   *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   */