diff --git a/README.md b/README.md
index e2c26a37..2e1a8f01 100644
--- a/README.md
+++ b/README.md
@@ -344,7 +344,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `preimage`        | hash of `bolt11` invoice             | --                              | [57](57.md)                                        |
 | `price`           | price                                | currency, frequency             | [99](99.md)                                        |
 | `proxy`           | external ID                          | protocol                        | [48](48.md)                                        |
-| `published_at`    | unix timestamp (string)              | --                              | [23](23.md)                                        |
+| `published_at`    | unix timestamp (string)              | --                              | [23](23.md), [B0](B0.md)                           |
 | `relay`           | relay url                            | --                              | [42](42.md), [17](17.md)                           |
 | `relays`          | relay list                           | --                              | [57](57.md)                                        |
 | `repo`            | Reference to the origin repository   | --                              | [C0](C0.md)                                        |
@@ -353,7 +353,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `subject`         | subject                              | --                              | [14](14.md), [17](17.md), [34](34.md)              |
 | `summary`         | summary                              | --                              | [23](23.md), [52](52.md)                           |
 | `thumb`           | badge thumbnail                      | dimensions in pixels            | [58](58.md)                                        |
-| `title`           | article title                        | --                              | [23](23.md)                                        |
+| `title`           | title                                | --                              | [23](23.md), [B0](B0.md)                           |
 | `tracker`         | torrent tracker URL                  | --                              | [35](35.md)                                        |
 | `web`             | webpage URL                          | --                              | [34](34.md)                                        |
 | `zap`             | pubkey (hex), relay URL              | weight                          | [57](57.md)                                        |