Index: src/wp-admin/includes/template.php
===================================================================
--- src/wp-admin/includes/template.php	(revision 37322)
+++ src/wp-admin/includes/template.php	(working copy)
@@ -2071,9 +2071,9 @@
 
 	$output = '<div class="star-rating">';
 	$output .= '<span class="screen-reader-text">' . $title . '</span>';
-	$output .= str_repeat( '<div class="star star-full"></div>', $full_stars );
-	$output .= str_repeat( '<div class="star star-half"></div>', $half_stars );
-	$output .= str_repeat( '<div class="star star-empty"></div>', $empty_stars );
+	$output .= str_repeat( '<div class="star star-full" aria-hidden="true"></div>', $full_stars );
+	$output .= str_repeat( '<div class="star star-half" aria-hidden="true"></div>', $half_stars );
+	$output .= str_repeat( '<div class="star star-empty" aria-hidden="true"></div>', $empty_stars );
 	$output .= '</div>';
 
 	if ( $r['echo'] ) {