Texas Sen. Ted Cruz urged the Smithsonian Institution to fix the “mistake” the senator said the National Museum of African American History and Culture made in its depiction of Supreme Court Justice Clarence Thomas.

Thomas, the second African-American Supreme Court Justice in U.S. history, is only briefly noted in a fleeting reference to Anita Hill’s testimony from his confirmation hearing. Hill accused Thomas of sexual harassment while attempting to derail his confirmation to the high court.