Donald Trump originally tweeted, "After having written many bestselling books, and somewhat priding myself on my ability to write, it should be noted that the Fake News constantly likes to pour over my tweets looking for a mistake".
Some believe the tweet was a textbook case of trolling - but this theory fails to explain why Trump deleted the original tweet.
J.K. Rowling, an award-winning author with many titles to her name spotted the error and offered up a correction. and plenty of laughter.
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Immediately deleting the tweet and replacing it with a version using the correct choice of word was not good enough for some critics, however, including author JK Rowling.
President Trump is prone to misspellings in his tweets, intentionally or unintentionally drawing media attention to them, and his most recent mix-up has attracted the attention of a famous author, according to Business Insider.
Following the incident, the president deleted the tweet and wrote another one correcting the mistake.
Either way, Trump is a controversial figure, and celebrities love to make fun of him.
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She even commented that Trump didn't write his books, as a ghostwriter came forward - suggesting that he's taking credit where credit is not due.
Rowling wasn't the only one to find an opportunity to take a jibe at Trump.
It's not the first time spelling in the president's tweets have been publicly called out, for example his now infamous late night "covfefe" tweet.
Merriam-Webster Dictionary's Twitter account also felt the importance to point out the grammatical difference between "pore and "pour".
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In Russia, the same narrative persisted with Ronaldo's hat-trick in the thriller against Spain and the victor against Morocco. The knockout stages of the World Cup start on Saturday with teams looking to book their places in the quarterfinals.