diff --git a/01.md b/01.md
index 8f763521..309263bc 100644
--- a/01.md
+++ b/01.md
@@ -83,9 +83,7 @@ Parameterized Repleaceable events MUST include a `d`-tag with an 	identifier val
 
 In case of replaceable events with the same timestamp, the event with the lowest `.id` (first in lexical order) SHOULD be retained. Older versions MAY be kept but SHOULD not be returned on queries.
 
-This NIP defines two kinds:
-
-- `kind:0`: **User Metadata**: An event kind to add name and other information to the pubkey. The `content` is set to a stringified JSON object `{name: <user's name, string>, about: <string>, picture: <url, string>}`
+This NIP defines the `kind:0` as **User Metadata**. The `.content` is set to a stringified JSON object `{name: <user's name, string>, about: <string>, picture: <url, string>}`. Since other attributes might exist, Clients SHOULD preseve any unsupported attribute when updating this event. 
 
 ## Tags