User talk:Pm3pm3

Why did you undo my revison, bro?

Recent edit to Seamus Heaney
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Seamus Heaney, 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) 07:13, 19 January 2019 (UTC)