fix typo in changelog

changelog.rst

@@ -7,7 +7,7 @@ Release 0.13.3 (Feb 7, 2011)
 ----------------------------
 
 - Fixed typo in :mod:`gevent.httplib` that rendered it unusable.
-- Removed unnecessary delay in :func:`getaddrinfo <gevent.socket.getaddrinfo` by calling ``resolve_ipv4`` and ``resolve_ipv6`` concurrently rather than sequentially in ``AF_UNSPEC`` case.
+- Removed unnecessary delay in :func:`getaddrinfo <gevent.socket.getaddrinfo>` by calling ``resolve_ipv4`` and ``resolve_ipv6`` concurrently rather than sequentially in ``AF_UNSPEC`` case.
 
 
 Release 0.13.2 (Jan 28, 2011)