Fix typo in README

README.rst

@@ -30,7 +30,7 @@ You may subscribe to the `Supervisor-users mailing list
 <http://lists.supervisord.org/mailman/listinfo/supervisor-users>`_.
 
 Please report bugs in the `Github issue tracker
-<https://github.com/Supervisor/supervisor/issues>`_.  .
+<https://github.com/Supervisor/supervisor/issues>`_.
 
 You can view the source repository for supervisor via
 `https://github.com/Supervisor/supervisor