diff --git a/30.md b/30.md
index 5a6f84de..c2f8bb07 100644
--- a/30.md
+++ b/30.md
@@ -6,7 +6,7 @@ Custom Emoji
 
 `draft` `optional`
 
-Custom emoji may be added to **kind 0** and **kind 1** events by including one or more `"emoji"` tags, in the form:
+Custom emoji may be added to **kind 0**, **kind 1**, **kind 7** ([NIP-25](25.md)) and **kind 30315** ([NIP-38](38.md)) events by including one or more `"emoji"` tags, in the form:
 
 ```
 ["emoji", <shortcode>, <image-url>]