docs(tutorial/step_05): improve explanation of _-prefix

dumpweed · btford · commit 10406de450fb · 2014-05-30T17:27:42.000-07:00
diff --git a/docs/content/tutorial/step_05.ngdoc b/docs/content/tutorial/step_05.ngdoc
@@ -179,7 +179,7 @@ describe('PhoneCat controllers', function() {
 
     // The injector ignores leading and trailing underscores here (i.e. _$httpBackend_).
     // This allows us to inject a service but then attach it to a variable
-    // with the same name as the service.
+    // with the same name as the service in order to avoid a name conflict.
     beforeEach(inject(function(_$httpBackend_, $rootScope, $controller) {
       $httpBackend = _$httpBackend_;
       $httpBackend.expectGET('phones/phones.json').
