diff --git a/data/api/client-server/rooms.yaml b/data/api/client-server/rooms.yaml
index a2197f34..e658a546 100644
--- a/data/api/client-server/rooms.yaml
+++ b/data/api/client-server/rooms.yaml
@@ -205,7 +205,7 @@ paths:
             type: string
         # XXX: As mentioned in MSC1227, replacing `[not_]membership` with a JSON
         # filter might be a better alternative.
-        # See https://github.com/matrix-org/matrix-doc/issues/1337
+        # See https://github.com/matrix-org/matrix-doc/issues/1227
         - in: query
           name: membership
           description: |-