diff --git a/core/includes/form.inc b/core/includes/form.inc
index 9028922..87f8edf 100644
--- a/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -2814,9 +2814,9 @@ function theme_form_element($variables) {
 function theme_form_required_marker($variables) {
   $attributes = array(
     'class' => 'form-required',
-    'title' => t('This field is required.'),
+    'aria-hidden' => 'true',
   );
-  return '<abbr' . new Attribute($attributes) . '>*</abbr>';
+  return '<span' . new Attribute($attributes) . '>*</span>';
 }
 
 /**