Changed the route filter in the comment.

Signed-off-by: Eric Barnes <eric@ericlbarnes.com>

application/routes.php

@@ -77,7 +77,7 @@ Event::listen('500', function()
 |
 | First, define a filter:
 |
-|		Filter::register('filter', function()
+|		Route::filter('filter', function()
 |		{
 |			return 'Filtered!';
 |		});