Fix Appveyor badge url

README.md

@@ -18,7 +18,7 @@ expose. This will figure out what environment you're in and how to access some
 
 Provider | Status
 --- | ---
-Appveyor | [![](https://ci.appveyor.com/api/projects/status/c4x14o1v81bgodv0?svg=true)](https://ci.appveyor.com/project/matthiasmullie/ci-sniffer)
+Appveyor | [![](https://ci.appveyor.com/api/projects/status/w770kc3jqcnhl0jt?svg=true)](https://ci.appveyor.com/project/matthiasmullie/ci-sniffer)
 Circle CI | [![](https://circleci.com/gh/matthiasmullie/ci-sniffer.svg?style=svg)](https://circleci.com/gh/matthiasmullie/ci-sniffer)
 Codeship | [![](https://codeship.com/projects/d65fa110-b318-0133-2330-0e52fcdb9711/status?branch=master)](https://codeship.com/projects/133591)
 Drone | [![](https://drone.io/github.com/matthiasmullie/ci-sniffer/status.png)](https://drone.io/github.com/matthiasmullie/ci-sniffer)