diff --git a/src/Services/SalesReceipt.php b/src/Services/SalesReceipt.php
index 944d668..7abe83c 100644
--- a/src/Services/SalesReceipt.php
+++ b/src/Services/SalesReceipt.php
@@ -7,7 +7,7 @@
 class SalesReceipt extends Service
 {
     use Attachable;
-    
+
     /**
      * Void an entity.
      *