diff --git a/core/lib/Drupal/Core/Test/TestRunnerKernel.php b/core/lib/Drupal/Core/Test/TestRunnerKernel.php
index eb7f5d7f8e6..e1729f82501 100644
--- a/core/lib/Drupal/Core/Test/TestRunnerKernel.php
+++ b/core/lib/Drupal/Core/Test/TestRunnerKernel.php
@@ -8,7 +8,7 @@ use Drupal\Core\Site\Settings;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
- * Kernel for run-tests.sh.
+ * Defines a kernel used for running Functional tests and run-tests.sh.
  *
  * @internal
  */