diff --git a/Models/InvoiceElement.php b/Models/InvoiceElement.php
index 0fe9674..596b581 100644
--- a/Models/InvoiceElement.php
+++ b/Models/InvoiceElement.php
@@ -59,9 +59,9 @@ class InvoiceElement implements \JsonSerializable
 
     private $taxR = null;
 
-    private $singlePriceGross= null;
+    private $singlePriceGross = null;
 
-    private $totalPriceGross= null;
+    private $totalPriceGross = null;
 
     private $event = 0;
 
diff --git a/Models/InvoiceType.php b/Models/InvoiceType.php
index bef2eac..102b535 100644
--- a/Models/InvoiceType.php
+++ b/Models/InvoiceType.php
@@ -28,9 +28,9 @@ use phpOMS\Stdlib\Base\Enum;
 abstract class InvoiceType extends Enum
 {
     /* public */ const BILL = 1;
-    /* public */ const DELIVERY_NOTE  = 2;
-    /* public */ const CREDIT_NOTE   = 3;
-    /* public */ const DEBIT_NOTE   = 4;
-    /* public */ const OFFER   = 5;
+    /* public */ const DELIVERY_NOTE = 2;
+    /* public */ const CREDIT_NOTE = 3;
+    /* public */ const DEBIT_NOTE = 4;
+    /* public */ const OFFER = 5;
     /* public */ const ORDER_CONFIRMATION = 6;
 }