fix for latest client release

indexedDb/worker/dm/init.go

@@ -25,7 +25,8 @@ import (
 
 // MessageReceivedCallback is called any time a message is received or updated.
 //
-// update is true if the row is old and was edited.
+// messageUpdate is true if the Message already exists and was edited.
+// conversationUpdate is true if the Conversation was created or modified.
 type MessageReceivedCallback func(uuid uint64, pubKey ed25519.PublicKey,
 	messageUpdate, conversationUpdate bool)