diff --git a/src/Response.php b/src/Response.php
index 276a014..7176205 100755
--- a/src/Response.php
+++ b/src/Response.php
@@ -230,6 +230,8 @@ public function status($code = null)
      * 
      * @param string|array $name Header name
      * @param string|null $value Header value
+     * @param boolean $replace Replace existing header
+     * @param int $httpCode The HTTP status code
      */
     public function withHeader($name, ?string $value = '', $replace = true, int $httpCode = 200)
     {