1 files changed, 1 insertions, 1 deletions

diff --git a/25.md b/25.md
index f74bcc0..855f331 100644
--- a/25.md
+++ b/25.md
@@ -18,7 +18,7 @@ downvote or dislike on a post. A client MAY also choose to tally likes against
 dislikes in a reddit-like system of upvotes and downvotes, or display them as
 separate tallies.
 
-The `content` MAY be an emoji, in this case it MAY be interpreted as a "like" or "dislike",
+The `content` MAY be an emoji, or [NIP-30](30.md) custom emoji in this case it MAY be interpreted as a "like" or "dislike",
 or the client MAY display this emoji reaction on the post.
 
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