diff --git a/core/lib/Drupal/Core/Render/Renderer.php b/core/lib/Drupal/Core/Render/Renderer.php
index 7378a9f..b414dc9 100644
--- a/core/lib/Drupal/Core/Render/Renderer.php
+++ b/core/lib/Drupal/Core/Render/Renderer.php
@@ -320,7 +320,7 @@ protected function doRender(&$elements, $is_root_call = FALSE) {
         '#lazy_builder',
         '#cache',
         '#create_placeholder',
-        // These keys are not actually supported, but they are added
+        // The keys below are not actually supported, but they are added
         // automatically by the Renderer. If they are missing when their
         // #lazy_builder callback is invoked, it won't surprise the developer.
         '#weight',