EE was putting cover plate back on collection screw. Cover plate slipped & EE pinched rt pinky finger. EE got stitches to finger. Update: At time 7000-1 was filed, Mine understood EE had full use of finger & there was no bone involvement. On 1/3/22 MSHA issued citation, directing Mine to amend 7000-1. On 1/6/22 Mine learned EE had subsequent med treatment on or about 1/4/22.