Update name and link

sky/packages/sky_services/README.md

@@ -2,5 +2,5 @@ Flutter Services
 ================
 
 This packages contains `mojom` interfaces to services associated with Flutter. Most
-developers should depend on the [Sky package](https://pub.dartlang.org/packages/sky)
+developers should depend on the [Flutter package](http://docs.flutter.io/flutter/services/services-library.html)
 instead of using this package directly.