diff --git a/changelogs/client_server/newsfragments/1933.deprecation b/changelogs/client_server/newsfragments/1933.deprecation
index 745a23ab..b65ebdc7 100644
--- a/changelogs/client_server/newsfragments/1933.deprecation
+++ b/changelogs/client_server/newsfragments/1933.deprecation
@@ -1 +1 @@
-Deprecate the `server_name` query parameter on `/_matrix/client/v3/join/{roomIdOrAlias}` and `/_matrix/client/v3/knock/{roomIdOrAlias}` as per MSC4156.
+Deprecate the `server_name` query parameter on `/_matrix/client/v3/join/{roomIdOrAlias}` and `/_matrix/client/v3/knock/{roomIdOrAlias}` as per [MSC4156](https://github.com/matrix-org/matrix-spec-proposals/pull/4156).