Missing Controller

Error: Howto.phpController could not be found.

Error: Create the class Howto.phpController below in file: app/controllers/howto.php_controller.php

<?php
class Howto.phpController extends AppController {

	var $name = 'Howto.php';
}
?>

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