Move changes to make/send_join out of auth rules section.

proposals/3083-restricted-rooms.md

@@ -109,7 +109,7 @@ caveat that servers must ensure that:
       prevents situations where any homeserver could process the join, even if
       they weren't in the room, under certain power level conditions.)
 
-      This creates a new restriction on the relationship between the resident
+The above creates a new restriction on the relationship between the resident
 servers used for `/make_join` and `/send_join` -- they must now both go to
 the same server (since the `join_authorised_via_users_server` is added in
 the call to `/make_join`, while the final signature is added during