Instructions for marking a ballot: Text reads CORRECT in red, with an image of a pen completely filling in an oval; text reads INCORRECT with an image of a partially filled oval, circled name, X marked inside oval, and slash marked in oval

https://www.montgomerycountymd.gov/Elections/Resources/Files/pdfs/EJTraining2020/Chapter%209_Provisional%20Judge_ONE%20BUCKET_FINAL.pdf