diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index 648c6791ae5..ad71c374b45 100644
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -626,7 +626,8 @@ Glossary
    method resolution order
       Method Resolution Order is the order in which base classes are searched
       for a member during lookup. See `The Python 2.3 Method Resolution Order
-      <https://www.python.org/download/releases/2.3/mro/>`_.
+      <https://www.python.org/download/releases/2.3/mro/>`_ for details of the
+      algorithm used by the Python interpreter since the 2.3 release.
 
    module
       An object that serves as an organizational unit of Python code.  Modules