quietone
--- a/core/modules/settings_tray/settings_tray.api.php
+++ b/core/modules/settings_tray/settings_tray.api.php
+ * added to its attribute:
 * @code
- * forms = {
- *   "settings_tray" = "\Drupal\system\Plugin\Block\SystemPoweredByBlock",
- * },
+ * 'forms' => [
+ *   "settings_tray" => \Drupal\system\Plugin\Block\SystemPoweredByBlock::class,
+ * ],
 * @endcode
 *
- * Therefore, the entire Settings Tray API is just this annotation: it controls
+ * Therefore, the entire Settings Tray API is just this attribute: it controls
 * what the Settings Tray does for a given block.
 *
 * @see settings_tray_block_alter()
 * @see \Drupal\Tests\settings_tray\Functional\SettingsTrayBlockTest::testPossibleAnnotations()
--- a/core/core.api.php
+++ b/core/core.api.php
 * * )
 * @endcode
 *
- * Note that you must use double quotes; single quotes will not work in
- * annotations.
- *
- * Some annotation types, which extend the "@ PluginID" annotation class, have
- * only a single 'id' key in their annotation. For these, it is possible to use
- * a shorthand annotation. For example:
+ * Some attribute types, which extend the "@ PluginID" attribute class, have