diff --git a/core/modules/node/templates/node.html.twig b/core/modules/node/templates/node.html.twig
index 37f1bfc..1e45fa5 100644
--- a/core/modules/node/templates/node.html.twig
+++ b/core/modules/node/templates/node.html.twig
@@ -11,6 +11,9 @@
  *   - createdtime: Formatted creation date. Preprocess functions can
  *     reformat it by calling format_date() with the desired parameters on
  *     $variables['node']->getCreatedTime().
+ *   - changedtime: Formatted changed date. Preprocess functions can
+ *     reformat it by calling format_date() with the desired parameters on
+ *     $variables['node']->getChangedTime().
  * - label: The title of the node.
  * - content: All node items. Use {{ content }} to print them all,
  *   or print a subset such as {{ content.field_example }}. Use
diff --git a/core/themes/bartik/templates/node.html.twig b/core/themes/bartik/templates/node.html.twig
index c4eddea..698a83f 100644
--- a/core/themes/bartik/templates/node.html.twig
+++ b/core/themes/bartik/templates/node.html.twig
@@ -11,6 +11,9 @@
  *   - createdtime: Formatted creation date. Preprocess functions can
  *     reformat it by calling format_date() with the desired parameters on
  *     $variables['node']->getCreatedTime().
+ *   - changedtime: Formatted changed date. Preprocess functions can
+ *     reformat it by calling format_date() with the desired parameters on
+ *     $variables['node']->getChangedTime().
  * - label: The title of the node.
  * - content: All node items. Use {{ content }} to print them all,
  *   or print a subset such as {{ content.field_example }}. Use