diff --git a/app/code/Magento/CatalogGraphQl/Model/Layer/CollectionProvider.php b/app/code/Magento/CatalogGraphQl/Model/Layer/CollectionProvider.php
index 1e6fdf0e60e66..86645b0d36fdb 100644
--- a/app/code/Magento/CatalogGraphQl/Model/Layer/CollectionProvider.php
+++ b/app/code/Magento/CatalogGraphQl/Model/Layer/CollectionProvider.php
@@ -29,6 +29,10 @@ class CollectionProvider implements \Magento\Catalog\Model\Layer\ItemCollectionP
      */
     private $collectionProcessor;
 
+    /**
+     * @param \Magento\Framework\Api\SearchCriteria\CollectionProcessorInterface $collectionProcessor
+     * @param \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $collectionFactory
+     */
     public function __construct(
         \Magento\Framework\Api\SearchCriteria\CollectionProcessorInterface $collectionProcessor,
         \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $collectionFactory
diff --git a/app/code/Magento/NewRelicReporting/Model/Observer/ReportApplicationHandledExceptionToNewRelic.php b/app/code/Magento/NewRelicReporting/Model/Observer/ReportApplicationHandledExceptionToNewRelic.php
index 724a488570207..ce7e95950c937 100644
--- a/app/code/Magento/NewRelicReporting/Model/Observer/ReportApplicationHandledExceptionToNewRelic.php
+++ b/app/code/Magento/NewRelicReporting/Model/Observer/ReportApplicationHandledExceptionToNewRelic.php
@@ -37,6 +37,9 @@ public function __construct(
         $this->newRelicWrapper = $newRelicWrapper;
     }
 
+    /**
+     * @param Observer $observer
+     */
     public function execute(Observer $observer)
     {
         if ($this->config->isNewRelicEnabled()) {
diff --git a/app/code/Magento/Sales/Setup/SalesSetup.php b/app/code/Magento/Sales/Setup/SalesSetup.php
index bfc05c549ddb3..4be2b38b074e7 100644
--- a/app/code/Magento/Sales/Setup/SalesSetup.php
+++ b/app/code/Magento/Sales/Setup/SalesSetup.php
@@ -303,6 +303,9 @@ public function getEncryptor()
         return $this->encryptor;
     }
 
+    /**
+     * @return \Magento\Framework\DB\Adapter\AdapterInterface
+     */
     public function getConnection()
     {
         return $this->getSetup()->getConnection(self::$connectionName);
diff --git a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
index 92a850511295a..ff142c5319006 100644
--- a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
+++ b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
@@ -78,6 +78,10 @@ public function addError(Phrase $phrase)
         return $this;
     }
 
+    /**
+     * @param LocalizedException $exception
+     * @return $this
+     */
     public function addException(LocalizedException $exception)
     {
         $this->addErrorCalls++;
diff --git a/lib/internal/Magento/Framework/GraphQl/Query/Resolver/Argument/Filter/Operator.php b/lib/internal/Magento/Framework/GraphQl/Query/Resolver/Argument/Filter/Operator.php
index acd656e70ec62..ae2b8bfeabd1b 100644
--- a/lib/internal/Magento/Framework/GraphQl/Query/Resolver/Argument/Filter/Operator.php
+++ b/lib/internal/Magento/Framework/GraphQl/Query/Resolver/Argument/Filter/Operator.php
@@ -65,7 +65,7 @@ public static function getOperators() : array
         return $type->getConstants();
     }
 
-    /*
+    /**
      * Convert operator to string
      *
      * @return string
diff --git a/lib/internal/Magento/Framework/Webapi/Test/Unit/ServiceInputProcessor/SimpleConstructor.php b/lib/internal/Magento/Framework/Webapi/Test/Unit/ServiceInputProcessor/SimpleConstructor.php
index f457a96e22a37..f875861e42b02 100644
--- a/lib/internal/Magento/Framework/Webapi/Test/Unit/ServiceInputProcessor/SimpleConstructor.php
+++ b/lib/internal/Magento/Framework/Webapi/Test/Unit/ServiceInputProcessor/SimpleConstructor.php
@@ -19,6 +19,10 @@ class SimpleConstructor
      */
     private $name;
 
+    /**
+     * @param int $entityId
+     * @param string $name
+     */
     public function __construct(
         int $entityId,
         string $name
diff --git a/setup/src/Magento/Setup/Console/Command/GenerateFixturesCommand.php b/setup/src/Magento/Setup/Console/Command/GenerateFixturesCommand.php
index e084cd8ff6cad..03b74f637a7da 100644
--- a/setup/src/Magento/Setup/Console/Command/GenerateFixturesCommand.php
+++ b/setup/src/Magento/Setup/Console/Command/GenerateFixturesCommand.php
@@ -157,6 +157,10 @@ private function clearChangelog()
         }
     }
 
+    /**
+     * @param \Magento\Setup\Fixtures\Fixture $fixture
+     * @param OutputInterface $output
+     */
     private function executeFixture(\Magento\Setup\Fixtures\Fixture $fixture, OutputInterface $output)
     {
         $output->write('<info>' . $fixture->getActionTitle() . '... </info>');
diff --git a/setup/src/Magento/Setup/Console/Style/MagentoStyle.php b/setup/src/Magento/Setup/Console/Style/MagentoStyle.php
index c3f292ce76e1e..cd2d4a77db65a 100755
--- a/setup/src/Magento/Setup/Console/Style/MagentoStyle.php
+++ b/setup/src/Magento/Setup/Console/Style/MagentoStyle.php
@@ -518,6 +518,10 @@ private function autoPrependText()
         }
     }
 
+    /**
+     * @param array $messages
+     * @return array
+     */
     private function reduceBuffer($messages)
     {
         // We need to know if the two last chars are PHP_EOL