rename property for clarity

app/Http/Kernel.php

@@ -40,19 +40,19 @@ class Kernel extends HttpKernel
 
         'api' => [
             // \Laravel\Sanctum\Http\Middleware\EnsureFrontendRequestsAreStateful::class,
-            'throttle:api',
+            \Illuminate\Routing\Middleware\ThrottleRequests::class.':api',
             \Illuminate\Routing\Middleware\SubstituteBindings::class,
         ],
     ];
 
     /**
-     * The application's route middleware.
+     * The application's middleware aliases.
      *
-     * These middleware may be assigned to groups or used individually.
+     * Aliases may be used to conveniently assign middleware to routes and groups.
      *
      * @var array<string, class-string|string>
      */
-    protected $routeMiddleware = [
+    protected $middlewareAliases = [
         'auth' => \App\Http\Middleware\Authenticate::class,
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
         'auth.session' => \Illuminate\Session\Middleware\AuthenticateSession::class,