diff --git a/core/modules/link/src/Tests/LinkFieldUiHelptextTest.php b/core/modules/link/src/Tests/LinkFieldUiHelpTextTest.php
similarity index 73%
rename from core/modules/link/src/Tests/LinkFieldUiHelptextTest.php
rename to core/modules/link/src/Tests/LinkFieldUiHelpTextTest.php
index 3ea6d10..1c0f418 100644
--- a/core/modules/link/src/Tests/LinkFieldUiHelptextTest.php
+++ b/core/modules/link/src/Tests/LinkFieldUiHelpTextTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains Drupal\link\Tests\LinkFieldUiHelptextTest.
+ * Contains Drupal\link\Tests\LinkFieldUiHelpTextTest.
  */
 
 namespace Drupal\link\Tests;
@@ -13,11 +13,11 @@
 use Drupal\simpletest\WebTestBase;
 
 /**
- * Tests link field UI helptexts display.
+ * Tests link field UI help texts are displayed.
  *
  * @group link
  */
-class LinkFieldUiHelptextTest extends WebTestBase {
+class LinkFieldUiHelpTextTest extends WebTestBase {
 
   use FieldUiTestTrait;
 
@@ -26,7 +26,12 @@ class LinkFieldUiHelptextTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = ['node', 'link', 'field_ui', 'block'];
+  public static $modules = [
+    'node',
+    'link',
+    'field_ui',
+    'block',
+  ];
 
   /**
    * {@inheritdoc}
@@ -34,20 +39,24 @@ class LinkFieldUiHelptextTest extends WebTestBase {
   protected function setUp() {
     parent::setUp();
 
-    $this->drupalLogin($this->drupalCreateUser(['administer content types', 'administer node fields', 'administer node display']));
+    $this->drupalLogin($this->drupalCreateUser([
+      'administer content types',
+      'administer node fields',
+      'administer node display',
+    ]));
     $this->drupalPlaceBlock('system_breadcrumb_block');
   }
 
   /**
-   * Tests internal and external both allowed help text display.
+   * Tests help text displays when link allows both internal and external links.
    */
-  function testFieldUiHelptextBoth() {
+  function testFieldUiHelpTextBoth() {
     // Add a content type.
     $type = $this->drupalCreateContentType();
     $type_path = 'admin/structure/types/manage/' . $type->id();
     $add_path = 'node/add/' . $type->id();
 
-    // Add a link field to the newly-created type. Defaults to allowing both
+    // Add a link field to the newly-created type. It defaults to allowing both
     // internal and external links.
     $label = $this->randomMachineName();
     $field_name = Unicode::strtolower($label);
@@ -59,9 +68,9 @@ function testFieldUiHelptextBoth() {
   }
 
   /**
-   * Tests external only allowed help text display.
+   * Tests help text displays when link allows only external links.
    */
-  function testFieldUiHelptextExternalOnly() {
+  function testFieldUiHelpTextExternalOnly() {
     // Add a content type.
     $type = $this->drupalCreateContentType();
     $type_path = 'admin/structure/types/manage/' . $type->id();