Donald Trump appeared somewhat careless during a recent Oval Office press briefing after cameras captured notes that didn’t seem intended for public viewing.

The president was addressing reporters at the White House after signing an executive order directing federal agencies to review how mail-in ballots are distributed during elections.

Trump has repeatedly voiced his opposition to widespread postal voting. However, during the briefing, attention also shifted to a separate issue— a judge’s decision to halt construction of a proposed $400 million ballroom at the White House, which had been a key focus of his plans.