From aa5ac38f41ae6fba5ce36f9c3dcc499d97badf0b Mon Sep 17 00:00:00 2001
From: Yanqiang Miao <miao.yanqiang@zte.com.cn>
Date: Fri, 30 Dec 2016 11:58:39 +0800
Subject: [PATCH] Optimization a error description

Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>
(cherry picked from commit 6c021893aa12088c0ad5b18111cfa80d6008a78f)
Signed-off-by: Victor Vieux <vieux@docker.com>
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
---
 plugin/store.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/store.go b/plugin/store.go
index bb57e80665..5f95defdde 100644
--- a/plugin/store.go
+++ b/plugin/store.go
@@ -58,7 +58,7 @@ func (ps *Store) GetV2Plugin(refOrID string) (*v2.Plugin, error) {
 func (ps *Store) validateName(name string) error {
 	for _, p := range ps.plugins {
 		if p.Name() == name {
-			return errors.Errorf("%v already exists", name)
+			return errors.Errorf("plugin %q already exists", name)
 		}
 	}
 	return nil