bugzilla: fix typo in documentation

hgext/bugzilla.py

@@ -197,7 +197,7 b' with a web interface at ``http://my-proj'
 
 XMLRPC+email example configuration. This uses the Bugzilla at
 ``http://my-project.org/bugzilla``, logging in as user
-``[e-mail]`` wityh password ``plugh``. It is used with a
+``[e-mail]`` with password ``plugh``. It is used with a
 collection of Mercurial repositories in ``/var/local/hg/repos/``,
 with a web interface at ``http://my-project.org/hg``. Bug comments
 are sent to the Bugzilla email address