Donald Trump wrote an endorsement for Fox News commentator Jesse Watters’ new book, but he apparently didn’t put too much thought into it.

Trump’s statement praising Watters’ How I Saved the World directly plagiarizes publisher HarperCollins’ promotional copy for the book, The Wrap reports.

“Great new book out by Jesse Watters, How I Saved the World,” Trump wrote in his statement. “Interspersed are his thoughtful suggestions for overcoming left-wing radicalism, maintaining American democracy, moving beyond aging hippies (like his long-suffering, loving parents), saving the world from social justice warriors and the deep state—all while smirking his way through life in only the nicest way. Get your copy today, congratulations Jesse!”

All but the first and final sentences are lifted directly from HarperCollins’ description of the book on its website.

The plagiarism appears to have been flagged first by Slate senior editor Jeremy Stahl, who tweeted, “LOL. Trump’s latest statement is an endorsement of Jesse Watters’ book that reads like a personal blurb/review from someone who has read the book, but which is actually lifted verbatim from the book’s details page.”

On Twitter, several people pointed out that the vocabulary in Trump’s statement was a giveaway that he hadn’t actually written the endorsement himself.

“The tell is the use of ‘interspersed,’” wrote journalist Helen Kennedy. “I mean, come on.”

And Dave Weigel of the Washington Post tweeted, “The ‘interspersed’ line in Trump’s statement on the Jesse Watters book sounded off, un-Trumpy. That's because it was copy-pasted from the publisher’s description of the book. Future solution: Publishers of pro-Trump books need to copy his syntax in their ad copy.”

Michael Schaub is a Texas-based journalist and regular contributor to NPR.