diff --git a/proposals/4291-room-ids-as-hashes.md b/proposals/4291-room-ids-as-hashes.md
index 09b684581..06e81ce16 100644
--- a/proposals/4291-room-ids-as-hashes.md
+++ b/proposals/4291-room-ids-as-hashes.md
@@ -54,7 +54,7 @@ This creates a chicken/egg problem when upgrading rooms because:
- The create event of the new room needs the tombstone event ID in `content.predecessor.event_id`.
- The `m.room.tombstone` event needs ...
-
+
To break this cycle, this MSC removes the `content.predecessor.event_id` field from the `m.room.create` event. There appear to be no security