Update readme

README.md

@@ -2,19 +2,19 @@
 [![Build Status](https://travis-ci.org/iwasrobbed/Down.svg?branch=master)](https://travis-ci.org/iwasrobbed/Down)
 [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/iwasrobbed/Down/blob/master/LICENSE)
 [![CocoaPods](https://img.shields.io/cocoapods/v/Down.svg?maxAge=2592000)]()
-[![Swift](https://img.shields.io/badge/language-Swift-blue.svg)](https://swift.org)
+[![Swift 4](https://img.shields.io/badge/language-Swift-blue.svg)](https://swift.org)
 [![macOS](https://img.shields.io/badge/OS-macOS-orange.svg)](https://developer.apple.com/macos/)
 [![iOS](https://img.shields.io/badge/OS-iOS-orange.svg)](https://developer.apple.com/ios/)
 [![tvOS](https://img.shields.io/badge/OS-tvOS-orange.svg)](https://developer.apple.com/tvos/)
 [![Coverage Status](https://coveralls.io/repos/github/iwasrobbed/Down/badge.svg?branch=master)](https://coveralls.io/github/iwasrobbed/Down?branch=master)
 
 Blazing fast Markdown rendering in Swift, built upon [cmark](https://github.com/jgm/cmark).
 
-Is your app using it? [Let me know!](mailto:rob@desideratalabs.co)
+Is your app using it? [Let me know!](mailto:rob@robphillips.me)
 
 ### Installation
 
-Note: Swift 4 support can be found on the `swift4` branch.
+Note: Swift 4 support is now on the `master` branch.
 
 Quickly install using [CocoaPods](https://cocoapods.org):