diff --git a/lib/Github/HttpClient/Plugin/History.php b/lib/Github/HttpClient/Plugin/History.php
index 21bdb6cbbb3..eaf3f19cc5b 100644
--- a/lib/Github/HttpClient/Plugin/History.php
+++ b/lib/Github/HttpClient/Plugin/History.php
@@ -35,6 +35,9 @@ public function addSuccess(RequestInterface $request, ResponseInterface $respons
         $this->lastResponse = $response;
     }
 
+    /**
+     * @return void
+     */
     public function addFailure(RequestInterface $request, ClientExceptionInterface $exception)
     {
     }