diff --git a/25.md b/25.md
index ba4c695..b294255 100644
--- a/25.md
+++ b/25.md
@@ -9,8 +9,8 @@ Reactions
 
 A reaction is a `kind 7` note that is used to react to `kind 1` text notes.
 
-The generic reaction, represented by an empty string, SHOULD be interpreted as
-a "like".
+The generic reaction, represented by the `content` set to a `+` string, SHOULD
+be interpreted as a "like" or "upvote".
 
 A reaction with `content` set to `-` SHOULD be interepreted as a "dislike" or
 "downvote". It SHOULD NOT be counted as a "like", and MAY be displayed as a