diff --git a/core/themes/engines/twig/twig.engine b/core/themes/engines/twig/twig.engine
index b476cc3..240118a 100644
--- a/core/themes/engines/twig/twig.engine
+++ b/core/themes/engines/twig/twig.engine
@@ -169,6 +169,8 @@ function twig_render_var($arg) {
  *
  * @param array|object $element
  *   The parent renderable array to exclude the child items.
+ * @param string[] $args, ...
+ *   The string keys of $element to prevent printing.
  *
  * @return array
  *   The filtered renderable array.