diff --git a/README.md b/README.md
index d5b6219f..b0589521 100644
--- a/README.md
+++ b/README.md
@@ -192,10 +192,12 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `34237`       | Video View Event           | [71](71.md)              |
 | `34550`       | Community Definition       | [72](72.md)              |
 | `39000-9`     | Group metadata events      | [29](29.md)              |
+| `2022`       | Coinjoin Pool              | [joinstr][joinstr]       |
 
 [NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/97c70a44366a6535c1
 [nostrocket]: https://github.com/nostrocket/NIPS/blob/main/Problems.md
 [lnpub]: https://github.com/shocknet/Lightning.Pub/blob/master/proto/autogenerated/client.md
+[joinstr]: https://gitlab.com/1440000bytes/joinstr/-/blob/main/NIP.md
 
 ## Message types