diff --git a/matrix/m.room.join_rules/README.md b/matrix/m.room.join_rules/README.md
index a66b224..c67801e 100644
--- a/matrix/m.room.join_rules/README.md
+++ b/matrix/m.room.join_rules/README.md
@@ -98,6 +98,10 @@ Practically the same, but requires room version 10 and new `join_rule` known as
 		{
 			"room_id": "!WDaMZSVinTZRLOTajM:hacklab.fi",
 			"type": "m.room_membership"
+		},
+		{
+			"room_id": "!IwPxifXSjBLghpVEMh:matrix.org",
+			"type": "m.room_membership"
 		}
 	],
 	"join_rule": "knock_restricted"
@@ -121,3 +125,4 @@ Practically the same, but requires room version 10 and new `join_rule` known as
 * `!TtWVeGGDmpLieTGJss:pirateriot.net` - GlobalPirates v9
 * `!xwkzwkGafsaYJOFWoj:the-apothecary.club` - Apothecary Homeserver default/welcome room (v5)
 * `!WDaMZSVinTZRLOTajM:hacklab.fi` - Matrix Suomi (Space) v6
+* `!IwPxifXSjBLghpVEMh:matrix.org` - FluffyChat v5