diff --git a/core/modules/update/templates/update-last-check.html.twig b/core/modules/update/templates/update-last-check.html.twig
index 90838c2..ea6a2f2 100644
--- a/core/modules/update/templates/update-last-check.html.twig
+++ b/core/modules/update/templates/update-last-check.html.twig
@@ -1,7 +1,7 @@
 {#
 /**
  * @file
- * Default theme implementation for the last of update data templates.
+ * Default theme implementation for the last time update data was checked.
  *
  * Available variables:
  * - last: The timestamp that the site was last checked for updates.
diff --git a/core/modules/update/update.module b/core/modules/update/update.module
index 120f348..3937866 100644
--- a/core/modules/update/update.module
+++ b/core/modules/update/update.module
@@ -569,8 +569,6 @@ function _update_project_status_sort($a, $b) {
  *   - last: The timestamp when the site last checked for available updates.
  *
  * @see theme_update_report()
- * @see theme_update_available_updates_form()
- * @ingroup themeable
  */
 function template_preprocess_update_last_check(&$variables) {
   $variables['time'] = format_interval(REQUEST_TIME - $variables['last']);