Tweak comment on `_is_local_room_accessible` as part of room visibility in `/hierarchy` to clarify the condition for a room being visible. (#14834)

changelog.d/14834.misc

@@ -0,0 +1 @@
+Tweak comment on `_is_local_room_accessible` as part of room visibility in `/hierarchy` to clarify the condition for a room being visible.

synapse/handlers/room_summary.py

@@ -521,8 +521,8 @@ class RoomSummaryHandler:
 
         It should return true if:
 
-        * The requester is joined or can join the room (per MSC3173).
-        * The origin server has any user that is joined or can join the room.
+        * The requesting user is joined or can join the room (per MSC3173); or
+        * The origin server has any user that is joined or can join the room; or
         * The history visibility is set to world readable.
 
         Args: