code: private static void updateOptionDescriptions() {
  		Collection<Option> allOptions = options.getOptions();
  		for (Option option : allOptions) {
  			String key = option.getOpt();
  			if (key == null) {
  				key = option.getLongOpt();
  			}
  			if (key != null) {
  				String description = I18n.getMessage(key);
  				if (description != null) {
  					if (key.equals(Opt.COWFILE.text)) {
  						description = String.format(description, File.separatorChar);
  					}
  					option.setDescription(description);
  				}
  			}
  		}
  	}
docs: Call to add options descriptions to the command line options.
  This is deferred so that language / locale changes will be reflected.