update comment

Signed-off-by: Kerry Archibald <[email protected]>

Author: Kerry Archibald

src/components/structures/MessagePanel.tsx

@@ -1080,7 +1080,7 @@ abstract class BaseGrouper {
 
 // Wrap initial room creation events into a GenericEventListSummary
 // Grouping only events sent by the same user that sent the `m.room.create` and only until
-// the first non-state event or membership event which is not regarding the sender of the `m.room.create` event
+// the first non-state event, beacon_info event or membership event which is not regarding the sender of the `m.room.create` event
 class CreationGrouper extends BaseGrouper {
     static canStartGroup = function(panel: MessagePanel, ev: MatrixEvent): boolean {
         return ev.getType() === EventType.RoomCreate;