A word of advice: if you're going to tweet at J.K. Rowling and question her right to tweet about political matters, you should probably be prepared for a fairly no-nonsense reply.

SEE ALSO:J.K. Rowling and Ricky Gervais join forces to shut down Donald Trump

On Thursday, theHarry Potterauthor posted the following tweet about Brexit.

Tweet may have been deleted

Rowling is usually pretty vocal about politics on Twitter -- this was her second tweet about Brexit in two days, and she's previously made her thoughts about Donald Trump and his administration abundantly clear.

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On this occasion, though, someone sent her the following angry reply that questioned her right to "spout politics".

Turns out it may have been a mistake.

Tweet may have been deleted

Ouch.

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TopicsJK RowlingTwitter