diff --git a/src/Order.php b/src/Order.php
index 78585d3..40b3661 100644
--- a/src/Order.php
+++ b/src/Order.php
@@ -312,7 +312,7 @@ public function ship($purchaseOrderId, $order)
                 'ns3' => 'http://walmart.com'
             ],
         ];
-        
+
         $a2x = new A2X($order, $schema);
         $xml = $a2x->asXml();