diff --git a/core/modules/content_translation/src/Tests/ContentTranslationOperationsTest.php b/core/modules/content_translation/src/Tests/ContentTranslationOperationsTest.php
index fbe08c9..522344b 100644
--- a/core/modules/content_translation/src/Tests/ContentTranslationOperationsTest.php
+++ b/core/modules/content_translation/src/Tests/ContentTranslationOperationsTest.php
@@ -108,14 +108,9 @@ public function testOperationTranslateLink() {
     $this->assertResponse(403);
     $this->drupalLogout();
 
-    // Ensure that when I disable translation for a content type I don't
-    // see a translate link anymore in the actions block.
-    $this->drupalLogin($this->baseUser2);
-    // Place the actions block.
-    $this->drupalPlaceBlock('local_tasks_block');
-    // Publish the node again.
+    // Ensure the 'Translate' local task does not show up anymore when disabling
+    // translations for a content type.
     $node->setPublished(TRUE)->save();
-    // Make the user ablo to submit the translation settings form.
     user_role_change_permissions(
       Role::AUTHENTICATED_ID,
       [
@@ -123,20 +118,17 @@ public function testOperationTranslateLink() {
         'administer languages' => TRUE,
       ]
     );
-    // Warm cache.
+    $this->drupalPlaceBlock('local_tasks_block');
+    $this->drupalLogin($this->baseUser2);
     $this->drupalGet('node/' . $node->id());
-    // Check that we can see the translate link.
     $this->assertLinkByHref('node/' . $node->id() . '/translations');
-    // Make article not translatable.
     $this->drupalPostForm('admin/config/regional/content-language', ['settings[node][article][translatable]' => FALSE], t('Save configuration'));
-    // Go back to the node.
     $this->drupalGet('node/' . $node->id());
-    // Check that there is no link to translate anymore.
     $this->assertNoLinkByHref('node/' . $node->id() . '/translations');
   }
 
   /**
-   * Test the access to the overview page for translations.
+   * Tests the access to the overview page for translations.
    *
    * @see content_translation_translate_access()
    */
diff --git a/core/modules/language/src/Form/ContentLanguageSettingsForm.php b/core/modules/language/src/Form/ContentLanguageSettingsForm.php
index cf17c31..18575b7 100644
--- a/core/modules/language/src/Form/ContentLanguageSettingsForm.php
+++ b/core/modules/language/src/Form/ContentLanguageSettingsForm.php
@@ -168,8 +168,8 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
           ->save();
       }
     }
-    // Invalidate the rendered tag cache because we need to show new actions in
-    // blocks with tabs. eg. "Translate".
+    // Invalidate the 'rendered' tag cache in order to refresh tab links
+    // like "Translate".
     $this->cacheTagsInvalidator->invalidateTags(['rendered']);;
     drupal_set_message($this->t('Settings successfully updated.'));
   }