User talk:2601:155:8401:F3A0:B018:2766:33CA:724E

March 2019
Hello, I'm Dirkbb. I noticed that you added or changed content in an article, Antimatter, 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. 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. Dirkbb (talk) 21:18, 18 March 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.