docs(tutorial/step_05): apply more useful link to services

Author: Ore4444

docs/content/tutorial/step_05.ngdoc

@@ -44,7 +44,7 @@ Following is a sample of the file:
 
 We'll use angular's {@link api/ng.$http $http} service in our controller to make an HTTP
 request to your web server to fetch the data in the `app/phones/phones.json` file. `$http` is just
-one of several built-in {@link api/ng angular services} that handle common operations
+one of several built-in {@link guide/dev_guide.services angular services} that handle common operations
 in web apps. Angular injects these services for you where you need them.
 
 Services are managed by angular's {@link guide/di DI subsystem}. Dependency injection