diff --git a/README.md b/README.md
index ac40e0a4..b78d1266 100644
--- a/README.md
+++ b/README.md
@@ -164,11 +164,11 @@ 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                  | [51](51.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)              |
-| `31388`       | Link Set                   | [51](51.md)              |
+| `31388`       | Link Set                   | [Corny Chat][cornychat-linkset] |
 | `31922`       | Date-Based Calendar Event  | [52](52.md)              |
 | `31923`       | Time-Based Calendar Event  | [52](52.md)              |
 | `31924`       | Calendar                   | [52](52.md)              |
@@ -180,6 +180,8 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 
 [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
 
 ## Message types