diff --git a/architecture design proposal.md b/architecture design proposal.md
index 5d83f71..72d2d1a 100755
--- a/architecture design proposal.md	
+++ b/architecture design proposal.md	
@@ -35,7 +35,7 @@ The following terms are used:
 
 ## General
 
-- **publish:** Sending a `Create` or `Announce` [Activity](https://www.w3.org/TR/activitypub/#create-activity-outbox).
+- **publish:** Sending a `Create`, `Update` or `Announce` [Activity](https://www.w3.org/TR/activitypub/#create-activity-outbox).
 
 
 # Principals of the changes proposed to the ActivityPub plugin