diff --git a/doc/changes.rst b/doc/changes.rst
index 5fce30d4..96be4ea5 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -4,7 +4,7 @@ Change log
 Stable versions
 ~~~~~~~~~~~~~~~
 
-`Version 1.18.0 <https://github.com/jacquev6/PyGithub/issues?milestone=30&state=closed>`_ (August ??th, 2013) (Bénodet edition)
+`Version 1.18.0 <https://github.com/jacquev6/PyGithub/issues?milestone=30&state=closed>`_ (August 21st, 2013) (Bénodet edition)
 -------------------------------------------------------------------------------------------------------------------------------
 
 * `Issues <https://github.com/jacquev6/PyGithub/pull/181>`_' ``repository`` attribute will never be ``None``. Thank you `stuglaser <https://github.com/stuglaser>`_ for the pull request