old_contents: from mod import PatchewModule
  
  _default_config = """
  <!-- your HTML here -->
  
  """
  
  class FooterModule(PatchewModule):
      name = "footer"
      default_config = _default_config
  
      def render_page_hook(self, context_data):
          context_data.setdefault("footer", "")
          context_data["footer"] += self.get_config_raw()
  
new_contents: from mod import PatchewModule
  
  _default_config = """
  <!-- your HTML here -->
  
  """
  
  class FooterModule(PatchewModule):
      """
  
  Documentation
  -------------
  
  This is a simple module to inject any HTML code into the page bottom. Can be
  useful to add statistic code, etc..
  
  The config is the raw HTML code to inject.
  
  """
      name = "footer"
      default_config = _default_config
  
      def render_page_hook(self, context_data):
          context_data.setdefault("footer", "")
          context_data["footer"] += self.get_config_raw()
  
subject: Update documentation