diff --git a/core/tests/Drupal/FunctionalTests/Theme/BartikTest.php b/core/tests/Drupal/FunctionalTests/Theme/BartikTest.php
index 0ffd9af..75866f0 100644
--- a/core/tests/Drupal/FunctionalTests/Theme/BartikTest.php
+++ b/core/tests/Drupal/FunctionalTests/Theme/BartikTest.php
@@ -28,7 +28,7 @@ public function setUp() {
   }
 
   /**
-   * Tests the Bartik theme always adds classy's and its message CSS.
+   * Tests that the Bartik theme always adds its message CSS and Classy's.
    */
   public function testRegressionMissingMessagesCss() {
     $this->drupalGet('');
diff --git a/core/tests/Drupal/FunctionalTests/Theme/ClassyTest.php b/core/tests/Drupal/FunctionalTests/Theme/ClassyTest.php
index f4c87b4..0b3e91f 100644
--- a/core/tests/Drupal/FunctionalTests/Theme/ClassyTest.php
+++ b/core/tests/Drupal/FunctionalTests/Theme/ClassyTest.php
@@ -28,7 +28,7 @@ public function setUp() {
   }
 
   /**
-   * Tests the Classy theme always adds it's message CSS.
+   * Tests the Classy theme always adds its message CSS.
    */
   public function testRegressionMissingMessagesCss() {
     $this->drupalGet('');