fix kind:40 name (following @SnowCait).

51.md

@@ -24,7 +24,7 @@ For example, _mute lists_ can contain the public keys of spammers and bad actors
 | Pinned notes   | 10001 | events the user intends to showcase in their profile page   | `"e"` (kind:1 notes)                                                              |
 | Bookmarks      | 10003 | uncategorized, "global" list of things a user wants to save | `"e"` (kind:1 notes), `"a"` (kind:30023 articles), `"t"` (hashtags), `"r" (URLs)` |
 | Communities    | 10004 | [NIP-72](72.md) communities the user belongs to             | `"a"` (kind:34550 community definitions)                                          |
-| Public chats   | 10005 | [NIP-28](28.md) chat channels the user is in                | `"e"` (kind:40 community definitions)                                             |
+| Public chats   | 10005 | [NIP-28](28.md) chat channels the user is in                | `"e"` (kind:40 channel definitions)                                             |
 | Blocked relays | 10006 | relays clients should never connect to                      | `"relay"` (relay URLs)                                                            |
 | Search relays  | 10007 | relays clients should use when performing search queries    | `"relay"` (relay URLs)                                                            |
 | Interests      | 10015 | topics a user may be interested in and pointers             | `"t"` (hashtags) and `"a" (kind:30015 interest set)`                              |