diff --git a/docs/activitypub.7 b/docs/activitypub.7
index ac3be36..69f66b4 100644
--- a/docs/activitypub.7
+++ b/docs/activitypub.7
@@ -89,8 +89,8 @@ Fully supported.
 Supported with share semantics.
 .It Vt Read
 Supported.
-Primarily used to acknowledge replies and complete threads, without
-additional semantics.
+Primarily used to acknowledge replies and complete threads.
+Can be interpreted to mean reply is approved, if not endorsed.
 .It Vt Add
 Works with collections.
 .It Vt Follow