diff --git a/50.md b/50.md
index b02a3f3..0692fd1 100644
--- a/50.md
+++ b/50.md
@@ -44,7 +44,7 @@ characters are ignored.
 For kind `1`, an event must include all words in it's `content` field for it to match the keyword.
 
 For kind `0`, an event must include all mentioned words in the json object stored at the `content` field. Recommended 
-json fields for matching are `about`, `display_name`, `name`, `nip05`, `lud06` and `lud18`.
+json fields for matching are `about`, `display_name`, `name`, `nip05`, `lud06` and `lud16`.
 
 A keyword may contain a word starting with prefix `option:` (like `option:no_spam`), such words specify additional 
 constraints for event matching, and are reserved for the future extensions. Relay SHOULD ignore `option:` words that it does not support.