docs: update comment

Author: kenjis

app/Config/Routes.php

@@ -21,9 +21,10 @@
 $routes->setDefaultMethod('index');
 $routes->setTranslateURIDashes(false);
 $routes->set404Override();
-// The auto-routing is very dangerous. It is easy to create vulnerable apps
+// The Auto Routing (Legacy) is very dangerous. It is easy to create vulnerable apps
 // where controller filters or CSRF protection are bypassed.
-// It is recommended that you do not set it to `true`.
+// If you don't want to define all routes, please use the Auto Routing (Improved).
+// Set `$autoRoutesImproved` to true in `app/Config/Feature.php` and set the following to true.
 //$routes->setAutoRoute(false);
 
 /*