diff --git a/app/code/Magento/Checkout/view/frontend/web/js/checkout-data.js b/app/code/Magento/Checkout/view/frontend/web/js/checkout-data.js
index 6784ca111674c..9c0ef8bb58c07 100644
--- a/app/code/Magento/Checkout/view/frontend/web/js/checkout-data.js
+++ b/app/code/Magento/Checkout/view/frontend/web/js/checkout-data.js
@@ -31,14 +31,14 @@ define([
 
             if ($.isEmptyObject(data)) {
                 data = {
-                    'selectedShippingAddress': null,
-                    'shippingAddressFromData': null,
-                    'newCustomerShippingAddress': null,
-                    'selectedShippingRate': null,
-                    'selectedPaymentMethod': null,
-                    'selectedBillingAddress': null,
-                    'billingAddressFormData': null,
-                    'newCustomerBillingAddress': null
+                    'selectedShippingAddress': null, //Selected shipping address pulled from persistence storage
+                    'shippingAddressFromData': null, //Shipping address pulled from persistence storage
+                    'newCustomerShippingAddress': null, //Shipping address pulled from persistence storage for customer
+                    'selectedShippingRate': null, //Shipping rate pulled from persistence storage
+                    'selectedPaymentMethod': null, //Payment method pulled from persistence storage
+                    'selectedBillingAddress': null, //Selected billing address pulled from persistence storage
+                    'billingAddressFromData': null, //Billing address pulled from persistence storage
+                    'newCustomerBillingAddress': null //Billing address pulled from persistence storage for new customer
                 };
                 saveData(data);
             }
@@ -48,6 +48,8 @@ define([
 
     return {
         /**
+         * Setting the selected shipping address pulled from persistence storage
+         *
          * @param {Object} data
          */
         setSelectedShippingAddress: function (data) {
@@ -58,6 +60,8 @@ define([
         },
 
         /**
+         * Pulling the selected shipping address from persistence storage
+         *
          * @return {*}
          */
         getSelectedShippingAddress: function () {
@@ -65,6 +69,8 @@ define([
         },
 
         /**
+         * Setting the shipping address pulled from persistence storage
+         *
          * @param {Object} data
          */
         setShippingAddressFromData: function (data) {
@@ -75,6 +81,8 @@ define([
         },
 
         /**
+         * Pulling the shipping address from persistence storage
+         *
          * @return {*}
          */
         getShippingAddressFromData: function () {
@@ -82,6 +90,8 @@ define([
         },
 
         /**
+         * Setting the shipping address pulled from persistence storage for new customer
+         *
          * @param {Object} data
          */
         setNewCustomerShippingAddress: function (data) {
@@ -92,6 +102,8 @@ define([
         },
 
         /**
+         * Pulling the shipping address from persistence storage for new customer
+         *
          * @return {*}
          */
         getNewCustomerShippingAddress: function () {
@@ -99,6 +111,8 @@ define([
         },
 
         /**
+         * Setting the selected shipping rate pulled from persistence storage
+         *
          * @param {Object} data
          */
         setSelectedShippingRate: function (data) {
@@ -109,6 +123,8 @@ define([
         },
 
         /**
+         * Pulling the selected shipping rate from local storage
+         *
          * @return {*}
          */
         getSelectedShippingRate: function () {
@@ -116,6 +132,8 @@ define([
         },
 
         /**
+         * Setting the selected payment method pulled from persistence storage
+         *
          * @param {Object} data
          */
         setSelectedPaymentMethod: function (data) {
@@ -126,6 +144,8 @@ define([
         },
 
         /**
+         * Pulling the payment method from persistence storage
+         *
          * @return {*}
          */
         getSelectedPaymentMethod: function () {
@@ -133,6 +153,8 @@ define([
         },
 
         /**
+         * Setting the selected billing address pulled from persistence storage
+         *
          * @param {Object} data
          */
         setSelectedBillingAddress: function (data) {
@@ -143,6 +165,8 @@ define([
         },
 
         /**
+         * Pulling the selected billing address from persistence storage
+         *
          * @return {*}
          */
         getSelectedBillingAddress: function () {
@@ -150,6 +174,8 @@ define([
         },
 
         /**
+         * Setting the billing address pulled from persistence storage
+         *
          * @param {Object} data
          */
         setBillingAddressFromData: function (data) {
@@ -160,6 +186,8 @@ define([
         },
 
         /**
+         * Pulling the billing address from persistence storage
+         *
          * @return {*}
          */
         getBillingAddressFromData: function () {
@@ -167,6 +195,8 @@ define([
         },
 
         /**
+         * Setting the billing address pulled from persistence storage for new customer
+         *
          * @param {Object} data
          */
         setNewCustomerBillingAddress: function (data) {
@@ -177,6 +207,8 @@ define([
         },
 
         /**
+         * Pulling the billing address from persistence storage for new customer
+         *
          * @return {*}
          */
         getNewCustomerBillingAddress: function () {
@@ -184,6 +216,8 @@ define([
         },
 
         /**
+         * Pulling the email address from persistence storage
+         *
          * @return {*}
          */
         getValidatedEmailValue: function () {
@@ -193,6 +227,8 @@ define([
         },
 
         /**
+         * Setting the email address pulled from persistence storage
+         *
          * @param {String} email
          */
         setValidatedEmailValue: function (email) {
@@ -203,6 +239,8 @@ define([
         },
 
         /**
+         * Pulling the email input field value from persistence storage
+         *
          * @return {*}
          */
         getInputFieldEmailValue: function () {
@@ -212,6 +250,8 @@ define([
         },
 
         /**
+         * Setting the email input field value pulled from persistence storage
+         *
          * @param {String} email
          */
         setInputFieldEmailValue: function (email) {
diff --git a/app/code/Magento/Eav/Model/Entity/Attribute/Frontend/AbstractFrontend.php b/app/code/Magento/Eav/Model/Entity/Attribute/Frontend/AbstractFrontend.php
index d1794aff97fb9..8f1324195b382 100644
--- a/app/code/Magento/Eav/Model/Entity/Attribute/Frontend/AbstractFrontend.php
+++ b/app/code/Magento/Eav/Model/Entity/Attribute/Frontend/AbstractFrontend.php
@@ -68,8 +68,8 @@ abstract class AbstractFrontend implements \Magento\Eav\Model\Entity\Attribute\F
      * @param CacheInterface $cache
      * @param $storeResolver @deprecated
      * @param array $cacheTags
-     * @param Serializer $serializer
      * @param StoreManagerInterface $storeManager
+     * @param Serializer $serializer
      * @codeCoverageIgnore
      * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
@@ -78,8 +78,8 @@ public function __construct(
         CacheInterface $cache = null,
         $storeResolver = null,
         array $cacheTags = null,
-        Serializer $serializer = null,
-        StoreManagerInterface $storeManager = null
+        StoreManagerInterface $storeManager = null,
+        Serializer $serializer = null
     ) {
         $this->_attrBooleanFactory = $attrBooleanFactory;
         $this->cache = $cache ?: ObjectManager::getInstance()->get(CacheInterface::class);