diff --git a/src/Illuminate/Http/Client/PendingRequest.php b/src/Illuminate/Http/Client/PendingRequest.php
index 2570fb7cc387..246ac950797a 100644
--- a/src/Illuminate/Http/Client/PendingRequest.php
+++ b/src/Illuminate/Http/Client/PendingRequest.php
@@ -844,7 +844,7 @@ public function delete(string $url, $data = [])
      * Send a pool of asynchronous requests concurrently.
      *
      * @param  callable  $callback
-     * @return array
+     * @return array<array-key, \Illuminate\Http\Client\Response>
      */
     public function pool(callable $callback)
     {