diff --git a/src/Contracts/Buyable.php b/src/Contracts/Buyable.php
index 006adfe..3ebdb24 100644
--- a/src/Contracts/Buyable.php
+++ b/src/Contracts/Buyable.php
@@ -28,7 +28,7 @@ interface Buyable
      * Get the weight of the Buyable item.
      */
     public function getBuyableWeight(CartItemOptions $options): int;
-    
+
     /**
      * Get the taxRate of the Buyable item.
      */