From 7159a4297b46002f3ebe98e607c38c5a9c9b8ea5 Mon Sep 17 00:00:00 2001
From: coldwater <zhangcoldwater@163.com>
Date: Fri, 11 Sep 2015 21:10:07 +0800
Subject: [PATCH] add pre-requirement

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b70c0edd3889e..e0a028312ecea 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Read the [Roadmap](./ROADMAP.md).
 
 - __Pre-requirement__  
 
-golang version 1.5 or later
+Go environment. Currently a 64-bit version of go >= 1.5 is required.
 ```
 go get -d github.com/pingcap/tidb
 cd $GOPATH/src/github.com/pingcap/tidb