diff --git a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable.php b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable.php
index 707e9788141c4..bbaf3d5280384 100644
--- a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable.php
+++ b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Block\Adminhtml\Catalog\Product\Edit\Tab;
 
@@ -14,7 +14,6 @@
 /**
  * Adminhtml catalog product downloadable items tab and form
  *
- * @author      Magento Core Team <core@magentocommerce.com>
  * @deprecated 100.3.1
  * @see \Magento\Downloadable\Ui\DataProvider\Product\Form\Modifier\Composite
  */
@@ -45,8 +44,6 @@ class Downloadable extends Widget implements TabInterface
     protected $blockId = 'downloadableInfo';
 
     /**
-     * Core registry
-     *
      * @var Registry
      */
     protected $_coreRegistry = null;
diff --git a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Links.php b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Links.php
index 6b13e92553e89..d978522d562a2 100644
--- a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Links.php
+++ b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Links.php
@@ -1,14 +1,13 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Block\Adminhtml\Catalog\Product\Edit\Tab\Downloadable;
 
 /**
  * Adminhtml catalog product downloadable items tab links section
  *
- * @author      Magento Core Team <core@magentocommerce.com>
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  *
  * @deprecated 100.3.1 in favor of new class which adds grid links
@@ -36,8 +35,6 @@ class Links extends \Magento\Backend\Block\Template
     protected $_template = 'Magento_Downloadable::product/edit/downloadable/links.phtml';
 
     /**
-     * Downloadable file
-     *
      * @var \Magento\Downloadable\Helper\File
      */
     protected $_downloadableFile = null;
@@ -50,8 +47,6 @@ class Links extends \Magento\Backend\Block\Template
     protected $_coreFileStorageDb = null;
 
     /**
-     * Core registry
-     *
      * @var \Magento\Framework\Registry
      */
     protected $_coreRegistry;
diff --git a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Samples.php b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Samples.php
index 04210d54f38aa..deac894a46c78 100644
--- a/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Samples.php
+++ b/app/code/Magento/Downloadable/Block/Adminhtml/Catalog/Product/Edit/Tab/Downloadable/Samples.php
@@ -1,15 +1,13 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Block\Adminhtml\Catalog\Product\Edit\Tab\Downloadable;
 
 /**
  * Adminhtml catalog product downloadable items tab links section
  *
- * @author      Magento Core Team <core@magentocommerce.com>
- *
  * @deprecated 100.3.1 because of new class which adds grids samples
  * @see \Magento\Downloadable\Ui\DataProvider\Product\Form\Modifier\Samples
  */
@@ -28,8 +26,6 @@ class Samples extends \Magento\Backend\Block\Widget
     protected $_template = 'Magento_Downloadable::product/edit/downloadable/samples.phtml';
 
     /**
-     * Downloadable file
-     *
      * @var \Magento\Downloadable\Helper\File
      */
     protected $_downloadableFile = null;
@@ -42,8 +38,6 @@ class Samples extends \Magento\Backend\Block\Widget
     protected $_coreFileStorageDb = null;
 
     /**
-     * Core registry
-     *
      * @var \Magento\Framework\Registry
      */
     protected $_coreRegistry;
diff --git a/app/code/Magento/Downloadable/Block/Catalog/Product/View/Type.php b/app/code/Magento/Downloadable/Block/Catalog/Product/View/Type.php
index 75e8d7cdb9fab..8d8e254f23209 100644
--- a/app/code/Magento/Downloadable/Block/Catalog/Product/View/Type.php
+++ b/app/code/Magento/Downloadable/Block/Catalog/Product/View/Type.php
@@ -1,13 +1,11 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 
 /**
  * Catalog downloadable product part block
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 namespace Magento\Downloadable\Block\Catalog\Product\View;
 
diff --git a/app/code/Magento/Downloadable/Block/Checkout/Cart/Item/Renderer.php b/app/code/Magento/Downloadable/Block/Checkout/Cart/Item/Renderer.php
index 8b8a9b6bf2895..b7507498db53b 100644
--- a/app/code/Magento/Downloadable/Block/Checkout/Cart/Item/Renderer.php
+++ b/app/code/Magento/Downloadable/Block/Checkout/Cart/Item/Renderer.php
@@ -1,13 +1,11 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2013 Adobe
+ * All Rights Reserved.
  */
 
 /**
  * Shopping cart downloadable item render block
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 namespace Magento\Downloadable\Block\Checkout\Cart\Item;
 
diff --git a/app/code/Magento/Downloadable/Block/Checkout/Success.php b/app/code/Magento/Downloadable/Block/Checkout/Success.php
index d789ad0bdfae9..15676be984fe3 100644
--- a/app/code/Magento/Downloadable/Block/Checkout/Success.php
+++ b/app/code/Magento/Downloadable/Block/Checkout/Success.php
@@ -1,13 +1,11 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 
 /**
  * Downloadable checkout success page
- *
- * @author     Magento Core Team <core@magentocommerce.com>
  */
 namespace Magento\Downloadable\Block\Checkout;
 
diff --git a/app/code/Magento/Downloadable/Controller/Adminhtml/Downloadable/File.php b/app/code/Magento/Downloadable/Controller/Adminhtml/Downloadable/File.php
index 4480005b8e683..22f8884cc0850 100644
--- a/app/code/Magento/Downloadable/Controller/Adminhtml/Downloadable/File.php
+++ b/app/code/Magento/Downloadable/Controller/Adminhtml/Downloadable/File.php
@@ -1,14 +1,12 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Controller\Adminhtml\Downloadable;
 
 /**
  * Downloadable File upload controller
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 abstract class File extends \Magento\Backend\App\Action
 {
@@ -17,5 +15,5 @@ abstract class File extends \Magento\Backend\App\Action
      *
      * @see _isAllowed()
      */
-    const ADMIN_RESOURCE = 'Magento_Catalog::products';
+    public const ADMIN_RESOURCE = 'Magento_Catalog::products';
 }
diff --git a/app/code/Magento/Downloadable/Controller/Download.php b/app/code/Magento/Downloadable/Controller/Download.php
index 583b5a33c6b9c..87d0216f29059 100644
--- a/app/code/Magento/Downloadable/Controller/Download.php
+++ b/app/code/Magento/Downloadable/Controller/Download.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2013 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Controller;
 
@@ -10,8 +10,6 @@
 
 /**
  * Download controller
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 abstract class Download extends \Magento\Framework\App\Action\Action
 {
diff --git a/app/code/Magento/Downloadable/Helper/Catalog/Product/Configuration.php b/app/code/Magento/Downloadable/Helper/Catalog/Product/Configuration.php
index f7e812d101edb..2082b79977941 100644
--- a/app/code/Magento/Downloadable/Helper/Catalog/Product/Configuration.php
+++ b/app/code/Magento/Downloadable/Helper/Catalog/Product/Configuration.php
@@ -1,15 +1,13 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 
 namespace Magento\Downloadable\Helper\Catalog\Product;
 
 /**
  * Helper for fetching properties by product configurational item
- *
- * @author     Magento Core Team <core@magentocommerce.com>
  */
 class Configuration extends \Magento\Framework\App\Helper\AbstractHelper implements
     \Magento\Catalog\Helper\Product\Configuration\ConfigurationInterface
diff --git a/app/code/Magento/Downloadable/Helper/Data.php b/app/code/Magento/Downloadable/Helper/Data.php
index e9b2a5ce44c01..a0649cf8b9052 100644
--- a/app/code/Magento/Downloadable/Helper/Data.php
+++ b/app/code/Magento/Downloadable/Helper/Data.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Helper;
 
@@ -11,8 +11,6 @@
 
 /**
  * Downloadable helper
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Data extends \Magento\Framework\App\Helper\AbstractHelper
 {
diff --git a/app/code/Magento/Downloadable/Model/Product/Price.php b/app/code/Magento/Downloadable/Model/Product/Price.php
index d0a9a58ba205a..1b6c76e10cbd1 100644
--- a/app/code/Magento/Downloadable/Model/Product/Price.php
+++ b/app/code/Magento/Downloadable/Model/Product/Price.php
@@ -1,13 +1,11 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 
 /**
  * Downloadable products price model
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 namespace Magento\Downloadable\Model\Product;
 
diff --git a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Collection.php b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Collection.php
index bd841bbab2369..83e6e82acfa2a 100644
--- a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Collection.php
+++ b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Collection.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Model\ResourceModel\Link;
 
@@ -9,8 +9,6 @@
 
 /**
  * Downloadable links resource collection
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
 {
diff --git a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased.php b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased.php
index 87dfd332bfa8d..75c2ad5385334 100644
--- a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased.php
+++ b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased.php
@@ -1,14 +1,12 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Model\ResourceModel\Link;
 
 /**
  * Downloadable Product link purchased resource model
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Purchased extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
 {
diff --git a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased/Item.php b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased/Item.php
index cef73ac33c539..d3758bb0ccb50 100644
--- a/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased/Item.php
+++ b/app/code/Magento/Downloadable/Model/ResourceModel/Link/Purchased/Item.php
@@ -1,14 +1,12 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Model\ResourceModel\Link\Purchased;
 
 /**
  * Downloadable Product link purchased items resource model
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Item extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
 {
diff --git a/app/code/Magento/Downloadable/Model/System/Config/Source/Contentdisposition.php b/app/code/Magento/Downloadable/Model/System/Config/Source/Contentdisposition.php
index 10354f6df10ab..2b96db6d504e4 100644
--- a/app/code/Magento/Downloadable/Model/System/Config/Source/Contentdisposition.php
+++ b/app/code/Magento/Downloadable/Model/System/Config/Source/Contentdisposition.php
@@ -1,18 +1,18 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Model\System\Config\Source;
 
 /**
  * Downloadable Content Disposition Source
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Contentdisposition implements \Magento\Framework\Option\ArrayInterface
 {
     /**
+     * Return option array
+     *
      * @return array
      */
     public function toOptionArray()
diff --git a/app/code/Magento/Downloadable/Model/System/Config/Source/Orderitemstatus.php b/app/code/Magento/Downloadable/Model/System/Config/Source/Orderitemstatus.php
index 176c4337d0ce9..617ce5603e1be 100644
--- a/app/code/Magento/Downloadable/Model/System/Config/Source/Orderitemstatus.php
+++ b/app/code/Magento/Downloadable/Model/System/Config/Source/Orderitemstatus.php
@@ -1,18 +1,18 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2011 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Downloadable\Model\System\Config\Source;
 
 /**
  * Downloadable Order Item Status Source
- *
- * @author      Magento Core Team <core@magentocommerce.com>
  */
 class Orderitemstatus implements \Magento\Framework\Option\ArrayInterface
 {
     /**
+     * Return option array
+     *
      * @return array
      */
     public function toOptionArray()