From 9a80de3090dd3e02594112d81ab0001e1ee16119 Mon Sep 17 00:00:00 2001
From: chyroc <chyroc@qq.com>
Date: Sun, 20 Oct 2019 20:26:59 +0800
Subject: [PATCH] fix-comment

---
 error_13.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/error_13.go b/error_13.go
index c91b82d6..f1ec1d85 100644
--- a/error_13.go
+++ b/error_13.go
@@ -4,4 +4,5 @@ package gorm
 
 import "errors"
 
+// use go1.13 errors.Is to check is err is target error.
 var isError = errors.Is