docs: def cli_help_message(self, description):
          '''
          Get a user friendly help message that can be dropped in a
          `click.Command`\ 's epilog.
  
          Parameters
          ----------
          description : str
              Description of the configuration file to include in the message.
  
          Returns
          -------
          str
              A help message that uses :py:mod:`click`\ 's help formatting
              constructs (e.g. ``\b``).
          '''
          config_files_listing = '\n'.join('    {}. {!s}'.format(i, path) for i, path in enumerate(self._paths, 1))
          text = dedent('''\
          {config_file}:
          
              {description}
              
              {config_file} files are read from the following locations:
              
              \b
              {config_files_listing}
              
              Any configuration file can override options set by previous configuration files. Some 
              configuration file locations can be changed using the XDG standard (http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html).
          ''').format(
              config_file='{}.conf'.format(self._configuration_name),
              description=description,
              config_files_listing=config_files_listing
          )
          return text