/**
 * Implements hook_config_translation_info_alter().
 */
function {{ machine_name }}_config_translation_info_alter(&$info) {
  // Add additional site settings to the site information screen, so it shows
  // up on the translation screen. (Form alter in the elements whose values are
  // stored in this config file using regular form altering on the original
  // configuration form.)
  $info['system.site_information_settings']['names'][] = 'example.site.setting';
}