diff --git a/README.md b/README.md
index 1576965a..df955d32 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,8 @@ NIPs stand for **Nostr Implementation Possibilities**. They exist to document wh
 | 22242       | Client Authentication       | [42](42.md)            |
 | 10000-19999 | Replaceable Events Reserved | [16](16.md)            |
 | 20000-29999 | Ephemeral Events Reserved   | [16](16.md)            |
+| 30000-39999 | Param. Repl. Events Reserved| [33](33.md)            |
+
 
 
 ## Message types