The Smithsonian said that it would update an exhibit at the National Museum of American History to reflect all impeachment proceedings in U.S. history after a placard was removed last month.

The Smithsonian’s National Museum of American History said it will update an exhibit on presidential impeachment after references to former President Donald Trump’s two impeachments were removed.

A placard referring to Trump’s two impeachments was removed in July, after the Smithsonian agreed to perform a “content review”