Missing Controller

Error: Esp.htmlController could not be found.

Error: Create the class Esp.htmlController below in file: public_html/controllers/esp.html_controller.php

<?php
class Esp.htmlController extends AppController {

	var $name = 'Esp.html';
}
?>

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