diff --git a/doc/src/Intro_opensource.rst b/doc/src/Intro_opensource.rst
index 967656407a..635982fd18 100644
--- a/doc/src/Intro_opensource.rst
+++ b/doc/src/Intro_opensource.rst
@@ -2,20 +2,20 @@ LAMMPS open-source license
 --------------------------
 
 LAMMPS is a freely-available open-source code, distributed under the
-terms of the `GNU Public License Version 2 <gnu_>`_, which means you can
+terms of the `GNU Public License Version 2 <gpl_>`_, which means you can
 use or modify the code however you wish for your own purposes, but have
 to adhere to certain rules when redistributing it or software derived
 from it or that includes parts of it.
 
 LAMMPS comes with no warranty of any kind.  As each source file states
 in its header, it is a copyrighted code that is distributed free-of-
-charge, under the terms of the `GNU Public License Version 2 <gnu_>`_
+charge, under the terms of the `GNU Public License Version 2 <gpl_>`_
 (GPLv2).  This is often referred to as open-source distribution - see
 `www.gnu.org <gnuorg_>`_ or `www.opensource.org <opensource_>`_.  The
 legal text of the GPL is in the LICENSE file included in the LAMMPS
 distribution.
 
-.. _gnu: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+.. _gpl: https://github.com/lammps/lammps/blob/master/LICENSE
 
 .. _gnuorg: http://www.gnu.org