FAQ formatting.

Author: ajdavis

doc/faq.rst

@@ -82,7 +82,7 @@ Does PyMongo support asynchronous frameworks like Gevent, asyncio, Tornado, or T
 
 PyMongo fully supports :doc:`Gevent <examples/gevent>`.
 
-To use MongoDB with `asyncio <https://docs.python.org/3/library/asyncio.html>`
+To use MongoDB with `asyncio <https://docs.python.org/3/library/asyncio.html>`_
 or `Tornado <http://www.tornadoweb.org/>`_, see the
 `Motor <https://github.com/mongodb/motor>`_ project.