Clarify this applies to 2134
@@ -54,7 +54,7 @@ and adds authentication to accross the Identity Service API.
### IS API Authentication
All current endpoints within `/_matrix/identity/api/v1/` will be duplicated
-into `/_matrix/identity/v2`.
+into `/_matrix/identity/v2`, noting that MSC2134 changes the behaviour of lookups. Authentication is still expected on MSC2134's proposed endpoints.
Any request to any endpoint within `/_matrix/identity/v2`, with the exception
of `/_matrix/identity/v2` and the new `/_matrix/identity/v2/account/register`
