Missing Controller

Error: Aboutus.htmController could not be found.

Error: Create the class Aboutus.htmController below in file: app/controllers/aboutus.htm_controller.php

<?php
class Aboutus.htmController extends AppController {

	var $name = 'Aboutus.htm';
}
?>

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