docs($resource): fix typo in server response example

The server is supposed to return the same card number as in the client request.
Adjust server response example to the value given in the client request.

Closes angular#5352

src/ngResource/resource.js

@@ -237,7 +237,7 @@ function shallowClearAndCopy(src, dst) {
      newCard.name = "Mike Smith";
      newCard.$save();
      // POST: /user/123/card {number:'0123', name:'Mike Smith'}
-     // server returns: {id:789, number:'01234', name: 'Mike Smith'};
+     // server returns: {id:789, number:'0123', name: 'Mike Smith'};
      expect(newCard.id).toEqual(789);
  * </pre>
  *
@@ -273,7 +273,6 @@ function shallowClearAndCopy(src, dst) {
      });
    </pre>
 
- * @example
  * # Creating a custom 'PUT' request
  * In this example we create a custom method on our resource to make a PUT request
  * <pre>