[doc] Give a hint how to use that script
[doc] Give a hint how to use that script

Change-Id: I7034faea524962f78c378c9a573add90b8fd738a

wikimedia/pywikibot-core,magul/pywikibot-core,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,magul/pywikibot-core,happy5214/pywikibot-core,happy5214/pywikibot-core