remove spurious word
@@ -941,7 +941,7 @@ following keys:
============== ===== ============
Key Type Description
============== ===== ============
-``auth_chain`` List A list of events giving the all of the events in the auth
+``auth_chain`` List A list of events giving all of the events in the auth
chains for the join event and the events in ``state``.
``state`` List A complete list of the prevailing state events at the
instant just before accepting the new ``m.room.member``
