diff --git a/core/modules/forum/src/Tests/ForumIndexTest.php b/core/modules/forum/src/Tests/ForumIndexTest.php
index 88a6f1b..9b95037 100644
--- a/core/modules/forum/src/Tests/ForumIndexTest.php
+++ b/core/modules/forum/src/Tests/ForumIndexTest.php
@@ -17,14 +17,14 @@
 class ForumIndexTest extends WebTestBase {
 
   /**
-   * User account with limited access to forum pages
+   * User account with access to create forum topics.
    *
    * @var \Drupal\Core\Session\AccountInterface
    */
   protected $webUser;
 
   /**
-   * User account with limited access to forum pages
+   * User account with access to create replies in a forum topic.
    *
    * @var \Drupal\Core\Session\AccountInterface
    */
@@ -40,7 +40,6 @@ class ForumIndexTest extends WebTestBase {
   protected function setUp() {
     parent::setUp();
 
-    // Create a test user.
     $this->webUser = $this->drupalCreateUser(array('create forum content', 'edit own forum content', 'edit any forum content', 'administer nodes'));
     $this->forumUser = $this->drupalCreateUser(array('create forum content', 'edit own forum content', 'edit any forum content', 'administer nodes', 'administer comments', 'post comments', 'skip comment approval'));
   }
@@ -101,24 +100,23 @@ public function testHistory() {
     $this->clickLink(t('Add new @node_type', array('@node_type' => 'Forum topic')));
     $this->drupalPostForm(NULL, $edit, t('Save and publish'));
 
-    // Login as the forum user to create a reply
+    // Login as the forum user to create a reply.
     $this->drupalLogin($this->forumUser);
 
-    // Mockup a comment
+    // Create a comment.
     $edit = array();
     $edit['comment_body[0][value]'] = $this->randomMachineName();
 
-    // Create comment
     $this->drupalGet("forum/$tid");
     $this->clickLink(t($title));
     $this->drupalPostForm(NULL, $edit, t('Save'));
 
-    // Verify the new post link is not raw
+    // Verify the new post message link is not escaped.
     $this->drupalLogin($this->webUser);
     $this->drupalGet("forum/$tid");
     $xpath = $this->buildXPathQuery('//td[@class="forum__replies"]/a/span[@class="visually-hidden"]');
     $new_replies_message = $this->xpath($xpath);
     $this->assertTrue(!empty($new_replies_message), "The new replies message was found.");
   }
-}
 
+}