Update README.md

revise description error

Author: aaronshan

README.md

@@ -1,4 +1,4 @@
-#hive-third-functions [![Build Status](https://travis-ci.org/aaronshan/hive-third-functions.svg?branch=master)](https://travis-ci.org/aaronshan/hive-third-functions)
+# hive-third-functions [![Build Status](https://travis-ci.org/aaronshan/hive-third-functions.svg?branch=master)](https://travis-ci.org/aaronshan/hive-third-functions)
 
 ## Introduction
 
@@ -296,4 +296,4 @@ select gcj_extract_wgs(39.915, 116.404) => {"lng":116.39775549316407,"lat":39.91
 
 ```
 select url_encode('http://shanruifeng.cc/') => http%3A%2F%2Fshanruifeng.cc%2F
-```
+```