diff --git a/core/lib/Drupal/Core/Render/Element/HtmlTag.php b/core/lib/Drupal/Core/Render/Element/HtmlTag.php
index 1576ca0..195dc6e 100644
--- a/core/lib/Drupal/Core/Render/Element/HtmlTag.php
+++ b/core/lib/Drupal/Core/Render/Element/HtmlTag.php
@@ -76,8 +76,8 @@ public function getInfo() {
   public static function preRenderHtmlTag($element) {
     $attributes = isset($element['#attributes']) ? new Attribute($element['#attributes']) : '';
 
-    // An html tag should not contain any special characters. Escape them to
-    // ensure this can not be abused.
+    // An HTML tag should not contain any special characters. Escape them to
+    // ensure this cannot be abused.
     $escaped_tag = htmlspecialchars($element['#tag'], ENT_QUOTES, 'UTF-8');
     $markup = '<' . $escaped_tag . $attributes;
     // Construct a void element.