code: public function addFileLocation(Contao\DataContainer $dc)
  	{
  		// Unset the default help text
  		unset($GLOBALS['TL_DCA'][$dc->table]['fields'][$dc->field]['label'][1]);
  
  		return '<p class="tl_help tl_tip">' . sprintf($GLOBALS['TL_LANG']['tl_files']['fileLocation'], $dc->id) . '</p>';
  	}
docs: Add the file location instead of the help text (see #6503)
  
  @param Contao\DataContainer $dc
  
  @return string