From 50c61291de2f96a25627c55adcfda719ff5adae8 Mon Sep 17 00:00:00 2001
From: RikiyaFujii <ridai22hanriku@gmail.com>
Date: Sat, 3 Nov 2018 22:55:52 +0900
Subject: [PATCH] add comment (#2163)

* add comment

* typo
---
 association.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/association.go b/association.go
index 1b7744b5..a73344fe 100644
--- a/association.go
+++ b/association.go
@@ -368,6 +368,7 @@ func (association *Association) saveAssociations(values ...interface{}) *Associa
 	return association
 }
 
+// setErr set error when the error is not nil. And return Association.
 func (association *Association) setErr(err error) *Association {
 	if err != nil {
 		association.Error = err