how send the incorrect url to the page not found in laravel

1In your resources/views/errors folder make sure you have
2a 404.blade.php file and if that is not there then create it and put 
3something in this file.
4  
5  
6Sepending on your environment setup. FYI, 
7in app\Exceptions\Handler.php file the handler
8method handles/catches the errors. So check it, you may
9customize it, for example:
10
11  public function render($request, Exception $e)
12    {
13        // Customize it, extra code
14        if ($e instanceof AccessDeniedHttpException) {
15            return response(view('errors.403'), 403);
16        }
17        
18        // The method has only this line by default
19        return parent::render($request, $e);
20    }