From 2feb27be1c15288cba58b367e970c9611d816786 Mon Sep 17 00:00:00 2001
From: koid <yukinori.koide@gunosy.com>
Date: Mon, 23 Jul 2018 00:40:09 +0900
Subject: [PATCH] add comment

---
 main.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/main.go b/main.go
index 6851483..afff9d7 100644
--- a/main.go
+++ b/main.go
@@ -200,6 +200,7 @@ func main() {
 			}
 			var tag string
 			if tagKey != "" {
+				// append to tag
 				if val, ok := message[tagKey].(string); ok {
 					tag = val
 				} else {