diff --git a/master/docs/manual/cfg-reporters.rst b/master/docs/manual/cfg-reporters.rst
index ee3ede2caf8..5e9d2550a60 100644
--- a/master/docs/manual/cfg-reporters.rst
+++ b/master/docs/manual/cfg-reporters.rst
@@ -779,7 +779,7 @@ It requires `txrequests`_ package to allow interaction with http server.
    The json data object sent is completly different from the one that was generated by 0.8.x buildbot.
    It is indeed generated using data api.
 
-.. py:class:: HttpStatusPush(serverUrl, user=None, password=None, auth=None, builders=None, wantProperties=False, wantSteps=False, wantPreviousBuild=False, wantLogs=False)
+.. py:class:: HttpStatusPush(serverUrl, user=None, password=None, auth=None, format_fn=None, builders=None, wantProperties=False, wantSteps=False, wantPreviousBuild=False, wantLogs=False)
 
     :param string serverUrl: the url where to do the http post
     :param string user: the BasicAuth user to post as