fix whitespace bug

CHANGES.rst

@@ -15,12 +15,10 @@ Changes in synapse v0.12.0-rc3 (2015-12-23)
 * Add a ``display_name`` to third-party invites (PR #449)
 * Send more information to the identity server for third-party invites so that
   it can send richer messages to the invitee (PR #446)
-
 * Cache the responses to ``/intialSync`` for 5 minutes. If a client
   retries a request to ``/initialSync`` before the a response was computed
   to the first request then the same response is used for both requests
   (PR #457)
-
 * Fix a bug where synapse would always request the signing keys of
   remote servers even when the key was cached locally (PR #452)
 * Fix 500 when pagination search results (PR #447)