User talk:2600:1012:B04D:3717:19FE:2663:75E0:9779

Recent edit to Tristan Wirfs
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Tristan Wirfs, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Materialscientist (talk) 12:18, 29 February 2020 (UTC)