Clean up expression docs (#2741)
Clean up expression docs (#2741)


cseed/hail,cseed/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,cseed/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,cseed/hail,cseed/hail,danking/hail,danking/hail,hail-is/hail,danking/hail,danking/hail,danking/hail,hail-is/hail,hail-is/hail