diff --git a/core/modules/block/lib/Drupal/block/BlockListController.php b/core/modules/block/lib/Drupal/block/BlockListController.php
index 9524b0d..44a446c 100644
--- a/core/modules/block/lib/Drupal/block/BlockListController.php
+++ b/core/modules/block/lib/Drupal/block/BlockListController.php
@@ -221,7 +221,7 @@ public function buildForm(array $form, array &$form_state) {
         ),
       );
       $form['blocks'][$region]['title'] = array(
-        '#markup' => $region != BlockInterface::BLOCK_REGION_NONE ? $title : t('Disabled'),
+        '#markup' => $region != BlockInterface::BLOCK_REGION_NONE ? $title : t('Disabled', array(), array('context' => 'Plural')),
         '#wrapper_attributes' => array(
           'colspan' => 5,
         ),
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
index a974937..5c9157a 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
@@ -72,7 +72,7 @@ public function getRegions() {
         'message' => $this->t('No field is displayed.')
       ),
       'hidden' => array(
-        'title' => $this->t('Disabled'),
+        'title' => $this->t('Disabled', array(), array('context' => 'Plural')),
         'message' => $this->t('No field is hidden.')
       ),
     );
diff --git a/core/modules/language/language.admin.inc b/core/modules/language/language.admin.inc
index f9443c7..a2c3979 100644
--- a/core/modules/language/language.admin.inc
+++ b/core/modules/language/language.admin.inc
@@ -204,7 +204,7 @@ function theme_language_negotiation_configure_form($variables) {
     $header = array(
       array('data' => t('Detection method')),
       array('data' => t('Description')),
-      array('data' => t('Enabled')),
+      array('data' => t('Enabled', array(), array('context' => 'Plural'))),
       array('data' => t('Weight')),
     );
 
diff --git a/core/modules/menu/menu.admin.inc b/core/modules/menu/menu.admin.inc
index 2fe9455..10a85c1 100644
--- a/core/modules/menu/menu.admin.inc
+++ b/core/modules/menu/menu.admin.inc
@@ -22,7 +22,10 @@ function theme_menu_overview_form($variables) {
 
   $header = array(
     t('Menu link'),
-    array('data' => t('Enabled'), 'class' => array('checkbox')),
+    array(
+      'data' => t('Enabled', array(), array('context' => 'Plural')),
+      'class' => array('checkbox'),
+    ),
     t('Weight'),
     t('Operations'),
   );
diff --git a/core/modules/update/update.manager.inc b/core/modules/update/update.manager.inc
index 19c0dc1..82d0027 100644
--- a/core/modules/update/update.manager.inc
+++ b/core/modules/update/update.manager.inc
@@ -238,7 +238,7 @@ function update_manager_update_form($form, $form_state = array(), $context) {
       '#options' => $projects['enabled'],
     );
     if (!empty($projects['disabled'])) {
-      $form['projects']['#prefix'] = '<h2>' . t('Enabled') . '</h2>';
+      $form['projects']['#prefix'] = '<h2>' . t('Enabled', array(), array('context' => 'Plural')) . '</h2>';
     }
   }
 
@@ -248,7 +248,7 @@ function update_manager_update_form($form, $form_state = array(), $context) {
       '#header' => $headers,
       '#options' => $projects['disabled'],
       '#weight' => 1,
-      '#prefix' => '<h2>' . t('Disabled') . '</h2>',
+      '#prefix' => '<h2>' . t('Disabled', array(), array('context' => 'Plural')) . '</h2>',
     );
   }
 
diff --git a/core/modules/views_ui/lib/Drupal/views_ui/ViewListController.php b/core/modules/views_ui/lib/Drupal/views_ui/ViewListController.php
index ed9d983..d99a8a6 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/ViewListController.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/ViewListController.php
@@ -199,8 +199,8 @@ public function render() {
       ),
     );
 
-    $list['enabled']['heading']['#markup'] = '<h2>' . $this->t('Enabled') . '</h2>';
-    $list['disabled']['heading']['#markup'] = '<h2>' . $this->t('Disabled') . '</h2>';
+    $list['enabled']['heading']['#markup'] = '<h2>' . $this->t('Enabled', array(), array('context' => 'Plural')) . '</h2>';
+    $list['disabled']['heading']['#markup'] = '<h2>' . $this->t('Disabled', array(), array('context' => 'Plural')) . '</h2>';
     foreach (array('enabled', 'disabled') as $status) {
       $list[$status]['#type'] = 'container';
       $list[$status]['#attributes'] = array('class' => array('views-list-section', $status));