The “United Kingston” trended Tuesday morning after a tweet from White House adviser Ivanka TrumpIvana (Ivanka) Marie TrumpJared Kushner's sister-in-law Karlie Kloss says she will vote against Trump in 2020 Trump scheduled to attend Davos amid impeachment trial Lawmakers introduce bill to bolster artificial intelligence, quantum computing MORE's account misspelled “United Kingdom.”

The misspelling occurred in a tweet congratulating Boris Johnson for becoming the U.K.’s next prime minister.

The tweet has since been deleted, but not before several users reposted screenshots of the message. 

Several reporters and other social media users knocked Trump about the mistake.

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Trump has since posted another tweet that fixes the spelling error. 

Johnson, the U.K.’s former foreign secretary and a fierce Brexit supporter, won the Conservative Party's leadership contest on Tuesday and will replace Theresa MayTheresa Mary MayLabour's loss should tell Democrats not to tack too far to the left Is Corbyn handing Brexit to Boris Johnson? Boris Johnson is under pressure to stand up to Trump on climate change MORE as prime minister on Wednesday.

President TrumpDonald John TrumpTrump rails against impeachment in speech to Texas farmers Trump administration planning to crack down on 'birth tourism': report George Conway on Trump adding Dershowitz, Starr to legal team: 'Hard to see how either could help' MORE also congratulated Johnson, tweeting Tuesday morning, “He will be great!”