diff --git a/app/code/Magento/Sales/Model/Order/Address/Validator.php b/app/code/Magento/Sales/Model/Order/Address/Validator.php
index 1b54dd2c127db..5d3186781e7d7 100644
--- a/app/code/Magento/Sales/Model/Order/Address/Validator.php
+++ b/app/code/Magento/Sales/Model/Order/Address/Validator.php
@@ -49,8 +49,8 @@ class Validator
 
     /**
      * @param DirectoryHelper $directoryHelper
-     * @param CountryFactory  $countryFactory
-     * @param EavConfig       $eavConfig
+     * @param CountryFactory $countryFactory
+     * @param EavConfig $eavConfig
      */
     public function __construct(
         DirectoryHelper $directoryHelper,
@@ -64,6 +64,7 @@ public function __construct(
     }
 
     /**
+     * Validate address.
      *
      * @param \Magento\Sales\Model\Order\Address $address
      * @return array
@@ -196,7 +197,10 @@ protected function isStateRequired($countryId)
     }
 
     /**
+     * Check whether telephone is required for address.
+     *
      * @return bool
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function isTelephoneRequired()
     {
@@ -204,7 +208,10 @@ protected function isTelephoneRequired()
     }
 
     /**
+     * Check whether company is required for address.
+     *
      * @return bool
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function isCompanyRequired()
     {
@@ -212,7 +219,10 @@ protected function isCompanyRequired()
     }
 
     /**
+     * Check whether telephone is required for address.
+     *
      * @return bool
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function isFaxRequired()
     {
diff --git a/lib/internal/Magento/Framework/Locale/Format.php b/lib/internal/Magento/Framework/Locale/Format.php
index 0cdd80208fbcf..adcffe01b910e 100644
--- a/lib/internal/Magento/Framework/Locale/Format.php
+++ b/lib/internal/Magento/Framework/Locale/Format.php
@@ -5,6 +5,9 @@
  */
 namespace Magento\Framework\Locale;
 
+/**
+ * Price locale format.
+ */
 class Format implements \Magento\Framework\Locale\FormatInterface
 {
     /**
@@ -38,7 +41,8 @@ public function __construct(
     }
 
     /**
-     * Returns the first found number from a string
+     * Returns the first found number from a string.
+     *
      * Parsing depends on given locale (grouping and decimal)
      *
      * Examples for input:
diff --git a/lib/internal/Magento/Framework/Locale/Resolver.php b/lib/internal/Magento/Framework/Locale/Resolver.php
index 83637dac9c475..d058bfd41ab1a 100644
--- a/lib/internal/Magento/Framework/Locale/Resolver.php
+++ b/lib/internal/Magento/Framework/Locale/Resolver.php
@@ -9,6 +9,9 @@
 use Magento\Framework\App\DeploymentConfig;
 use Magento\Framework\App\ObjectManager;
 
+/**
+ * Manages locale config information.
+ */
 class Resolver implements ResolverInterface
 {
     /**
@@ -81,7 +84,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getDefaultLocalePath()
     {
@@ -89,7 +92,7 @@ public function getDefaultLocalePath()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function setDefaultLocale($locale)
     {
@@ -98,7 +101,7 @@ public function setDefaultLocale($locale)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getDefaultLocale()
     {
@@ -116,7 +119,7 @@ public function getDefaultLocale()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function setLocale($locale = null)
     {
@@ -129,7 +132,7 @@ public function setLocale($locale = null)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getLocale()
     {
@@ -140,7 +143,7 @@ public function getLocale()
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function emulate($scopeId)
     {
@@ -160,7 +163,7 @@ public function emulate($scopeId)
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function revert()
     {