diff --git a/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestXSSTitleBlock.php b/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestXSSTitleBlock.php
index 485c716..0144c7b 100644
--- a/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestXSSTitleBlock.php
+++ b/core/modules/block/tests/lib/Drupal/block_test/Plugin/block/block/TestXSSTitleBlock.php
@@ -14,7 +14,7 @@
  *
  * @Plugin(
  *   id = "test_xss_title",
- *   subject = "<script>alert('XSS subject');</script>",
+ *   admin_label = "<script>alert('XSS subject');</script>",
  *   module = "block_test"
  * )
  */