diff --git a/29.md b/29.md
index 7cdbfa3..ce17973 100644
--- a/29.md
+++ b/29.md
@@ -54,7 +54,7 @@ Users with any roles that have any privilege can be considered _admins_ in a bro
 
 If a group doesn't have a kind `39000` metadata event, it is considered `unmanaged`. Events posted to `unmanaged` group MUST NOT be handled by relays in any special way.
 
-Relays that do not allow `unmanaged` groups MUST set `nip29.unmanaged` to `false` in their NIP 11 document. In this mode, events sent to non-existent groups MUST be rejected by the relay.
+Relays that do not allow `unmanaged` groups MUST NOT include `29` in their NIP 11 document's `supported_nips` field. In this mode, events sent to non-existent groups MUST be rejected by the relay.
 
 ## Event definitions