Missing Controller

Error: DiamondSmileController could not be found.

Error: Create the class DiamondSmileController below in file: public_html/controllers/diamond_smile_controller.php

<?php
class DiamondSmileController extends AppController {

	var $name = 'DiamondSmile';
}
?>

Notice: If you want to customize this error message, create public_html/views/errors/missing_controller.ctp