diff --git a/HttpServer/Http/Response.php b/HttpServer/Http/Response.php
index 38166d30..7c24e81d 100644
--- a/HttpServer/Http/Response.php
+++ b/HttpServer/Http/Response.php
@@ -274,6 +274,7 @@ class Response extends HttpService
 	 * @param string $path
 	 * @param int $offset
 	 * @param int $limit
+	 * @param int $sleep
 	 */
 	public function sendFile(string $path, $offset = 0, $limit = 1024000, $sleep = 0)
 	{