diff --git a/core/modules/simpletest/src/BrowserTestBase.php b/core/modules/simpletest/src/BrowserTestBase.php
index f17a043..d4b73ef 100644
--- a/core/modules/simpletest/src/BrowserTestBase.php
+++ b/core/modules/simpletest/src/BrowserTestBase.php
@@ -9,7 +9,7 @@
  *
  * Tests extending BrowserTestBase must exist in the
  * Drupal\Tests\yourmodule\Functional namespace and live in the
- * modules/yourmodule/Tests/Functional directory.
+ * modules/yourmodule/tests/src/Functional directory.
  *
  * @ingroup testing
  *
diff --git a/core/tests/Drupal/Tests/BrowserTestBase.php b/core/tests/Drupal/Tests/BrowserTestBase.php
index 8b84abd..8bd4a42 100644
--- a/core/tests/Drupal/Tests/BrowserTestBase.php
+++ b/core/tests/Drupal/Tests/BrowserTestBase.php
@@ -36,7 +36,7 @@
  *
  * Tests extending BrowserTestBase must exist in the
  * Drupal\Tests\yourmodule\Functional namespace and live in the
- * modules/yourmodule/Tests/Functional directory.
+ * modules/yourmodule/tests/src/Functional directory.
  *
  * @ingroup testing
  */