diff --git a/core/modules/views/templates/views-view-grouping.html.twig b/core/modules/views/templates/views-view-grouping.html.twig
index 424e39f..1c61b51 100644
--- a/core/modules/views/templates/views-view-grouping.html.twig
+++ b/core/modules/views/templates/views-view-grouping.html.twig
@@ -4,7 +4,7 @@
  * Default theme implementation to display a single views grouping.
  *
  * Available variables:
- * - view: The view object
+ * - view: The view object.
  * - grouping: The grouping instruction.
  * - grouping_level: Integer indicating the hierarchical level of the grouping.
  * - title: The group heading.
diff --git a/core/modules/views/views.theme.inc b/core/modules/views/views.theme.inc
index 6d755fc..9031b21 100644
--- a/core/modules/views/views.theme.inc
+++ b/core/modules/views/views.theme.inc
@@ -304,7 +304,8 @@ function template_preprocess_views_view_fields(&$vars) {
  *   An associative array containing:
  *   - view: The view object.
  *   - rows: The rows returned from the view.
- *   - grouping_level: Integer indicating the hierarchical level of the grouping.
+ *   - grouping_level: Integer indicating the hierarchical level of the 
+ *     grouping.
  *   - content: The content to be grouped. This is set via aggregation settings
  *     on the view.
  *   - title: The group heading.