diff --git a/README.md b/README.md
index 758045d2..df1cc938 100644
--- a/README.md
+++ b/README.md
@@ -191,12 +191,14 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `30078`       | Application-specific Data       | [78](78.md)                            |
 | `30311`       | Live Event                      | [53](53.md)                            |
 | `30315`       | User Statuses                   | [38](38.md)                            |
+| `30388`       | Slide Set                       | [Corny Chat][cornychat-slideset]       |
 | `30402`       | Classified Listing              | [99](99.md)                            |
 | `30403`       | Draft Classified Listing        | [99](99.md)                            |
 | `30617`       | Repository announcements        | [34](34.md)                            |
 | `30618`       | Repository state announcements  | [34](34.md)                            |
 | `30818`       | Wiki article                    | [54](54.md)                            |
 | `30819`       | Redirects                       | [54](54.md)                            |
+| `31388`       | Link Set                        | [Corny Chat][cornychat-linkset]        |
 | `31890`       | Feed                            | [NUD: Custom Feeds][NUD: Custom Feeds] |
 | `31922`       | Date-Based Calendar Event       | [52](52.md)                            |
 | `31923`       | Time-Based Calendar Event       | [52](52.md)                            |
@@ -213,6 +215,8 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 [NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/
 [nostrocket]: https://github.com/nostrocket/NIPS/blob/main/Problems.md
 [lnpub]: https://github.com/shocknet/Lightning.Pub/blob/master/proto/autogenerated/client.md
+[cornychat-slideset]: https://cornychat.com/datatypes#kind30388slideset
+[cornychat-linkset]: https://cornychat.com/datatypes#kind31388linkset
 [joinstr]: https://gitlab.com/1440000bytes/joinstr/-/blob/main/NIP.md
 [NKBIP-01]: https://wikistr.com/nkbip-01
 [NKBIP-02]: https://wikistr.com/nkbip-02