Missing Controller

Error: Membership.htmController could not be found.

Error: Create the class Membership.htmController below in file: app/controllers/membership.htm_controller.php

<?php
class Membership.htmController extends AppController {

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

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