From ffa0100aa2bf8927594228b66af0a62a24838f7c Mon Sep 17 00:00:00 2001
From: erniu <25457788@qq.com>
Date: Mon, 9 May 2016 12:17:07 +0800
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---
 docs/let.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/let.md b/docs/let.md
index e1d4e7c..6ceb940 100644
--- a/docs/let.md
+++ b/docs/let.md
@@ -349,7 +349,7 @@ f() // ReferenceError: f is not defined
 
 ## const命令
 
-const也用来声明变量，但是声明的是常量。一旦声明，常量的值就不能改变。
+const 声明一个只读的常量。一旦声明，常量的值就不能改变。
 
 ```javascript
 'use strict';