code: def refresh_content(self, order=None, name=None):
          
          order = order or self.content.order
          url = name or self.content.name
  
          # Hack to allow an order specified in the name by prompt_subreddit() to
          # override the current default
          if order == 'ignore':
              order = None
  
          with self.term.loader('Refreshing page'):
              self.content = SubmissionContent.from_url(
                  self.reddit, url, self.term.loader, order=order,
                  max_comment_cols=self.config['max_comment_cols'])
          if not self.term.loader.exception:
              self.nav = Navigator(self.content.get, page_index=-1)
docs: Re-download comments and reset the page index