From a8109e2d3257d1698ce1b751618428ef25cbb859 Mon Sep 17 00:00:00 2001
From: Alex Hong <9397363+hongalex@users.noreply.github.com>
Date: Mon, 17 Oct 2022 11:48:12 -0700
Subject: [PATCH] docs(pubsub): fix comments on message for exactly once
 delivery (#6878)

Fixes #6877
---
 pubsub/message.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pubsub/message.go b/pubsub/message.go
index 049d034e386..1bebb9fc526 100644
--- a/pubsub/message.go
+++ b/pubsub/message.go
@@ -37,8 +37,10 @@ import (
 //
 // If using exactly once delivery, you should call Message.AckWithResult and
 // Message.NackWithResult instead. These methods will return an AckResult,
-// which you should wait on to obtain the status of the Ack/Nack to ensure
-// these were properly processed by the server. If not,
+// which tracks the state of acknowledgement operation. If the AckResult returns
+// successful, the message is guaranteed NOT to be re-delivered. Otherwise,
+// the AckResult will return an error with more details about the failure
+// and the message may be re-delivered.
 type Message = ipubsub.Message
 
 // msgAckHandler performs a safe cast of the message's ack handler to psAckHandler.