diff --git a/22.md b/22.md
index 8eff09a9ac..1da59c99e3 100644
--- a/22.md
+++ b/22.md
@@ -8,7 +8,9 @@ Comment
 
 A comment is a threading note always scoped to a root event or an [`I`-tag](73.md).
 
-It uses `kind:1111` with plaintext `.content` (no HTML, Markdown, or other formatting).
+It uses `kind:1111` with the comment on `.content`. 
+
+Content formatting MUST follow the rules specified in the scope. If no rules are specified, it SHOULD follow kind 1 rules (no HTML, Markdown, or other formatting).
 
 Comments MUST point to the root scope using uppercase tag names (e.g. `K`, `E`, `A` or `I`)
 and MUST point to the parent item with lowercase ones (e.g. `k`, `e`, `a` or `i`).