Show newest chapters on top in ACF relationship

includes/functions/_acf.php

@@ -81,12 +81,19 @@ if ( ! class_exists('acf') && is_admin() ) {
  */
 
 function fictioneer_acf_filter_chapters( $args, $field, $post_id ) {
-  $args[ 'meta_query' ] = array(
+  // Limit to chapters set to this story
+  $args['meta_query'] = array(
     array(
       'key' => 'fictioneer_chapter_story',
       'value' => $post_id
     )
   );
+
+  // Order by date, descending, to see the newest on top
+  $args['orderby'] = 'date';
+  $args['order'] = 'desc';
+
+  // Return
   return $args;
 }