diff --git a/28.md b/28.md
index 9f9302f1..62ab398f 100644
--- a/28.md
+++ b/28.md
@@ -37,7 +37,7 @@ In the channel creation `content` field, Client SHOULD include basic channel met
 
 Update a channel's public metadata.
 
-Clients and relays SHOULD handle kind 41 events similar to kind 33 replaceable events, where the information is used to update the metadata, without modifying the event id for the channel.
+Clients and relays SHOULD handle kind 41 events similar to kind 33 replaceable events, where the information is used to update the metadata, without modifying the event id for the channel.  Only the most recent kind 41 is needed to be stored.
 
 Clients SHOULD ignore kind 41s from pubkeys other than the kind 40 pubkey.