diff --git a/63.md b/63.md
index c9cc731..8912f71 100644
--- a/63.md
+++ b/63.md
@@ -88,4 +88,8 @@ The `a` tag points to the latest scene the user has read.
     ["status", "<new|reading|done>"]
   ]
 }
-```
\ No newline at end of file
+```
+
+## Replies
+
+Replies to all kinds here should use [NIP-22](22.md).