User talk:90.171.197.22

November 2021
Hello, I'm Engr. Smitty. I noticed that you added or changed content in an article, List of Grand Prix motorcycle racing World Constructors' Champions, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. '''Engr. Smitty  Werben''' 02:26, 15 November 2021 (UTC)