diff --git a/core/modules/system/templates/item-list.html.twig b/core/modules/system/templates/item-list.html.twig
index e8d16e02e9c..34e1802d034 100644
--- a/core/modules/system/templates/item-list.html.twig
+++ b/core/modules/system/templates/item-list.html.twig
@@ -4,9 +4,9 @@
  * Default theme implementation for an item list.
  *
  * Available variables:
- * - items: A list of renderable items. Each item has a #wrapper_attributes
- *   property which contains any HTML attributes which should be applied to the
- *   <li> tag.
+ * - items: A list of items. Each item contains:
+ *   - attributes: HTML attributes to be applied to each list item.
+ *   - value: The content of the list element.
  * - title: The title of the list.
  * - list_type: The tag for list element ("ul" or "ol").
  * - attributes: HTML attributes to be applied to the list.