diff --git a/src/Illuminate/Http/Client/Pool.php b/src/Illuminate/Http/Client/Pool.php
index 7aed87f88a19..0704df33226a 100644
--- a/src/Illuminate/Http/Client/Pool.php
+++ b/src/Illuminate/Http/Client/Pool.php
@@ -78,7 +78,7 @@ public function getRequests()
      *
      * @param  string  $method
      * @param  array  $parameters
-     * @return \Illuminate\Http\Client\PendingRequest
+     * @return \Illuminate\Http\Client\PendingRequest|\GuzzleHttp\Promise\Promise
      */
     public function __call($method, $parameters)
     {