diff --git a/18.md b/18.md
index 422ad9c..cdea9cd 100644
--- a/18.md
+++ b/18.md
@@ -9,8 +9,8 @@ Reposts
 A repost is a `kind 6` note that is used to signal to followers
 that another event is worth reading.
 
-The `content` of a repost event is empty. Optionally, it MAY contain
-the stringified JSON of the reposted note event for quick look up.
+The `content` of a repost event the stringified JSON of the reposted note
+for quick look up. It MAY also be empty, but that is not recommended.
 
 The repost event MUST include an `e` tag with the `id` of the note that is
 being reposted. That tag MUST include a relay URL as its third entry