diff --git a/src/Illuminate/Routing/Controllers/HasMiddleware.php b/src/Illuminate/Routing/Controllers/HasMiddleware.php
index de2b21d5a0a9..f04b7d6b589e 100644
--- a/src/Illuminate/Routing/Controllers/HasMiddleware.php
+++ b/src/Illuminate/Routing/Controllers/HasMiddleware.php
@@ -7,7 +7,7 @@ interface HasMiddleware
     /**
      * Get the middleware that should be assigned to the controller.
      *
-     * @return \Illuminate\Routing\Controllers\Middleware[]
+     * @return array<int,\Illuminate\Routing\Controllers\Middleware|\Closure|string>
      */
     public static function middleware();
 }