docs: function() {
    HelpDocument.apply(this, arguments);
    var conf = this.cli.configure();
    conf.synopsis = conf.synopsis || {};
    conf.synopsis.options = false;
    conf.synopsis.usage = null;
    this.useCustom = false;
    this.sections = [
      HelpDocument.SYNOPSIS,
      HelpDocument.COMMANDS
    ];
  }