diff --git a/app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteId.php b/app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteId.php
index f30d98342beb..37a8fcd494fb 100644
--- a/app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteId.php
+++ b/app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteId.php
@@ -10,6 +10,9 @@
 use Magento\Quote\Api\CartRepositoryInterface;
 use Magento\Quote\Model\ResourceModel\Quote\QuoteIdMask as QuoteIdMaskResource;
 
+/**
+ * MaskedQuoteId to QuoteId resolver
+ */
 class MaskedQuoteIdToQuoteId implements MaskedQuoteIdToQuoteIdInterface
 {
     /**
diff --git a/app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteId.php b/app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteId.php
index 3c366fcc4ab3..2e802f47cfef 100644
--- a/app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteId.php
+++ b/app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteId.php
@@ -10,6 +10,9 @@
 use Magento\Quote\Api\CartRepositoryInterface;
 use Magento\Quote\Model\ResourceModel\Quote\QuoteIdMask as QuoteIdMaskResource;
 
+/**
+ * QuoteId to MaskedQuoteId resolver
+ */
 class QuoteIdToMaskedQuoteId implements QuoteIdToMaskedQuoteIdInterface
 {
     /**