public function get_post_type_archive_title_parts() {

    if ( genesis_has_post_type_archive_support() ) {

      $cpt_title = genesis_get_cpt_option( 'doctitle' );

      if ( $cpt_title ) {
        $this->parts[ self::TITLE ] = $cpt_title;
      }
    }

    return $this->parts;

  }