--- a/doc/interpreter/dynamic.txi
+++ b/doc/interpreter/dynamic.txi
@@ -1,7 +1,21 @@
-@c Copyright (C) 2007 John W. Eaton, David Bateman
-@c Copyright (C) 2007 Paul Thomas, Christoph Spiel
-@c This is part of the Octave manual.
-@c For copying conditions, see the file gpl.texi.
+@c Copyright (C) 2007 John W. Eaton and David Bateman
+@c Copyright (C) 2007 Paul Thomas and Christoph Spiel
+@c
+@c This file is part of Octave.
+@c
+@c Octave is free software; you can redistribute it and/or modify it
+@c under the terms of the GNU General Public License as published by the
+@c Free Software Foundation; either version 3 of the License, or (at
+@c your option) any later version.
+@c 
+@c Octave is distributed in the hope that it will be useful, but WITHOUT
+@c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+@c FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+@c for more details.
+@c 
+@c You should have received a copy of the GNU General Public License
+@c along with Octave; see the file COPYING.  If not, see
+@c <http://www.gnu.org/licenses/>.
 
 @macro examplefile{file}
 @example