diff --git a/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php b/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
index 4dbc10308f3be..c6b40800d5160 100644
--- a/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
+++ b/app/code/Magento/Sales/Model/Order/Email/Sender/ShipmentSender.php
@@ -17,8 +17,10 @@
 use Magento\Framework\DataObject;
 
 /**
- * Class ShipmentSender
+ * Class for shipment email notification sender
  *
+ * @deprecated since this class works only with the concrete model and no data interface
+ * @see \Magento\Sales\Model\Order\Shipment\Sender\EmailSender
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class ShipmentSender extends Sender