docs: def finalize(self, **kwargs):
          """
          The finalize method executes any subclass-specific axes
          finalization steps. The user calls poof & poof calls finalize.
  
          Parameters
          ----------
          kwargs: generic keyword arguments.
  
          """
          # Set the title
          self.set_title(
              'Frequency Distribution of Top {} tokens'.format(self.N)
          )
  
          # Create the vocab, count, and hapaxes labels
          infolabel = "vocab: {:,}\nwords: {:,}\nhapax: {:,}".format(
              self.vocab_, self.words_, self.hapaxes_
          )
  
          self.ax.text(0.68, 0.97, infolabel, transform=self.ax.transAxes,
                       fontsize=9, verticalalignment='top',
                       bbox={'boxstyle':'round', 'facecolor':'white', 'alpha':.8})
  
          # Set the legend and the grid
          self.ax.legend(loc='upper right', frameon=True)