diff --git a/proposals/1772-groups-as-rooms.md b/proposals/1772-groups-as-rooms.md
index aebc41a0f..e2ed55feb 100644
--- a/proposals/1772-groups-as-rooms.md
+++ b/proposals/1772-groups-as-rooms.md
@@ -224,7 +224,7 @@ group memnbership as room membership (nesting if required).
 ## Issues
 
 How does this work with
-[MSC1229](https://github.com/matrix-org/matrix-doc/issues/1229) (removing MXIDs)?
+[MSC1228](https://github.com/matrix-org/matrix-doc/issues/1228) (removing MXIDs)?
 
 ## History