Update README.md

Author: vadymmarkov

README.md

@@ -2,7 +2,7 @@
 
 [![CI Status](http://img.shields.io/travis/hyperoslo/BarcodeScanner.svg?style=flat)](https://travis-ci.org/hyperoslo/BarcodeScanner)
 [![Version](https://img.shields.io/cocoapods/v/BarcodeScanner.svg?style=flat)](http://cocoadocs.org/docsets/BarcodeScanner)
-![Swift](https://img.shields.io/badge/%20in-swift%202.2-orange.svg)
+![Swift](https://img.shields.io/badge/%20in-swift%203.0-orange.svg)
 [![Carthage Compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![License](https://img.shields.io/cocoapods/l/BarcodeScanner.svg?style=flat)](http://cocoadocs.org/docsets/BarcodeScanner)
 [![Platform](https://img.shields.io/cocoapods/p/BarcodeScanner.svg?style=flat)](http://cocoadocs.org/docsets/BarcodeScanner)