diff --git a/core/includes/config.inc b/core/includes/config.inc
index 00c7fa6..3e22534 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -256,7 +256,7 @@ function config_import_invoke_owner(array $config_changes, StorageInterface $sou
       // Check whether the module implements hook_config_import() and ask it to
       // handle the configuration change.
       $handled_by_module = FALSE;
-      if (module_exists($module) && module_hook($module, 'config_import_' . $op)) {
+      if (module_hook($module, 'config_import_' . $op)) {
         $old_config = new Config($name, $target_storage);
         $old_config->load();
 
diff --git a/core/modules/node/config/views.view.frontpage.yml b/core/modules/node/config/views.view.frontpage.yml
index 50ad59d..0fbe04d 100644
--- a/core/modules/node/config/views.view.frontpage.yml
+++ b/core/modules/node/config/views.view.frontpage.yml
@@ -2,7 +2,7 @@ api_version: '3.0'
 base_field: nid
 base_table: node
 core: 8.x
-description: 'A list of nodes marked as to be shown on the frontpage.'
+description: 'A list of nodes marked for display on the front page.'
 disabled: '0'
 display:
   default:
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/area/ListingEmpty.php b/core/modules/node/lib/Drupal/node/Plugin/views/area/ListingEmpty.php
index 5bfc433..cf09beb 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/area/ListingEmpty.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/area/ListingEmpty.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\node\Plugin\views\area\LinkAdd.
+ * Contains Drupal\node\Plugin\views\area\LinkAdd.
  */
 
 namespace Drupal\node\Plugin\views\area;
@@ -11,7 +11,7 @@
 use Drupal\views\Plugin\views\area\AreaPluginBase;
 
 /**
- * An area plugin to display a node/add link.
+ * Defines an area plugin to display a node/add link.
  *
  * @ingroup views_area_handlers
  *
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeTitleTest.php b/core/modules/node/lib/Drupal/node/Tests/NodeTitleTest.php
index 21ff89d..e03e4b0 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeTitleTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeTitleTest.php
@@ -17,7 +17,7 @@ class NodeTitleTest extends NodeTestBase {
    *
    * @var array
    */
-    public static $modules = array('comment', 'views');
+  public static $modules = array('comment', 'views');
 
   protected $admin_user;
 
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 5ea9d6e..854bc03 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -2234,7 +2234,7 @@ function system_update_8036() {
 /**
  * Enable Views if the node listing is set as the front page.
  */
-function system_update_8037() {
+function system_update_8038() {
   $front_page = config('system.site')->get('page.front');
   if (!isset($front_page) || $front_page == 'node') {
     update_module_enable(array('views'));
diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php
index f2f22d9..2d5b444 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/RelationshipJoinTestBase.php
@@ -8,21 +8,19 @@
 namespace Drupal\views\Tests\Plugin;
 
 /**
- * Base class for both JoinTest and RelationshipTest to provide a relationship.
+ * Provies a base class for a testing a relationship.
  *
  * @see \Drupal\views\Tests\Handler\JoinTest
  * @see \Drupal\views\Tests\Plugin\RelationshipTest
  */
 abstract class RelationshipJoinTestBase extends PluginTestBase {
 
-
   protected function setUp() {
     parent::setUp();
 
     $this->enableViewsTestModule();
   }
 
-
   /**
    * Overrides Drupal\views\Tests\ViewTestBase::schemaDefinition().
    *
@@ -44,7 +42,6 @@ protected function schemaDefinition() {
     return $schema;
   }
 
-
   /**
    * Overrides Drupal\views\Tests\ViewTestBase::viewsData().
    *