docs(forms): show directive name instead of link path

docs/content/guide/forms.ngdoc

@@ -116,7 +116,7 @@ This ensures that the user is not distracted with an error until after interacti
 A form is an instance of {@link api/ng.directive:form.FormController FormController}.
 The form instance can optionally be published into the scope using the `name` attribute.
 
-Similarly, an input control that has the {@link api/ng.directive:ngModel} directive holds an
+Similarly, an input control that has the {@link api/ng.directive:ngModel ngModel} directive holds an
 instance of {@link api/ng.directive:ngModel.NgModelController NgModelController}.
 Such a control instance can be published as a property of the form instance using the `name` attribute
 on the input control.  The name attribute specifies the name of the property on the form instance.