-if ( ! current_user_can( $post_type_object->cap->edit_posts ) || ! current_user_can( $post_type_object->cap->create_posts ) )
- wp_die( __( 'Cheatin’ uh?' ), 403 );
+if ( ! current_user_can( $post_type_object->cap->edit_posts ) || ! current_user_can( $post_type_object->cap->create_posts ) ) {
+ wp_die(
+ '<h1>' . __( 'Cheatin’ uh?' ) . '</h1>' .
+ '<p>' . __( 'You are not allowed to create posts as this user.' ) . '</p>',
+ 403
+ );
+}