Update README.md

Author: Wenchao Ding

README.md

@@ -1,6 +1,6 @@
 ![fspagerview](https://cloud.githubusercontent.com/assets/5186464/24086370/45e7e8dc-0d49-11e7-86aa-139354fe00c5.jpg)
 
-[![Languages](https://img.shields.io/badge/language-swift%204.2%20|%20objc-FF69B4.svg?style=plastic)](#) <br/>
+[![Languages](https://img.shields.io/badge/language-swift%205.0%20|%20objc-FF69B4.svg?style=plastic)](#) <br/>
 [![Platform](https://img.shields.io/badge/platform-iOS%20|%20tvOS-blue.svg?style=plastic)](http://cocoadocs.org/docsets/FSPagerView)
 [![Version](https://img.shields.io/cocoapods/v/FSPagerView.svg?style=plastic)](http://cocoadocs.org/docsets/FSPagerView) 
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=plastic)](https://github.com/Carthage/Carthage)
@@ -417,4 +417,4 @@ func pagerViewDidEndDecelerating(_ pagerView: FSPagerView)
 
 ---
 
-# [Documentation](http://cocoadocs.org/docsets/FSPagerView)
+# [Documentation](http://cocoadocs.org/docsets/FSPagerView)