Typo

Author: miloyip

readme.zh-cn.md

@@ -8,7 +8,7 @@ Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights
 * RapidJSON 文档
   * [English](http://miloyip.github.io/rapidjson/)
   * [简体中文](http://miloyip.github.io/rapidjson/zh-cn/)
-  * [GitBook](https://www.gitbook.com/book/miloyip/rapidjson/)含可载的PDF/EPUB/MOBI，但不含API参考手册。
+  * [GitBook](https://www.gitbook.com/book/miloyip/rapidjson/)可下载PDF/EPUB/MOBI，但不含API参考手册。
 
 ## 简介