From dc16c5b6c79a511f0771261af80ed2ab02fb678e Mon Sep 17 00:00:00 2001
From: chai2010 <chaishushan@gmail.com>
Date: Wed, 27 Jan 2016 18:06:08 +0800
Subject: [PATCH] fmt code

---
 ch5/ch5-06.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ch5/ch5-06.md b/ch5/ch5-06.md
index 9be5819..d59bd38 100644
--- a/ch5/ch5-06.md
+++ b/ch5/ch5-06.md
@@ -83,7 +83,7 @@ func topoSort(m map[string][]string) []string {
 	}
 	var keys []string
 	for key := range m {
-	keys = append(keys, key)
+		keys = append(keys, key)
 	}
 	sort.Strings(keys)
 	visitAll(keys)