diff --git a/core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php b/core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php
index 0384148..5fe9793 100644
--- a/core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php
+++ b/core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php
@@ -428,7 +428,8 @@ public function testRedirectCommand() {
 /**
  * Wraps OpenModalDialogCommand::drupalAttachLibrary().
  *
- * {@inheritdoc}
+ * Defines an AJAX command to open certain content in a dialog in a modal
+ * dialog.
  */
 class TestOpenModalDialogCommand extends OpenModalDialogCommand {
 
@@ -440,7 +441,7 @@ protected function drupalAttachLibrary($name) {
 /**
  * Wraps OpenDialogCommand::drupalAttachLibrary().
  *
- * {@inheritdoc}
+ * Defines an AJAX command to open certain content in a dialog.
  */
 class TestOpenDialogCommand extends OpenDialogCommand {