diff --git a/core/modules/aggregator/templates/aggregator-summary-item.html.twig b/core/modules/aggregator/templates/aggregator-summary-item.html.twig
index c1d1661..e927a6a 100644
--- a/core/modules/aggregator/templates/aggregator-summary-item.html.twig
+++ b/core/modules/aggregator/templates/aggregator-summary-item.html.twig
@@ -4,7 +4,7 @@
  * Default theme implementation for a single feed in a list of feed items.
  *
  * Available variables:
- * - URL: URL of item.
+ * - url: Url of item.
  * - age: Age of the item.
  *
  * @see template_preprocess_aggregator_summary_item()