Matchstick challenge 99% of people can't answer

The matchsticks are arranged to form the equation 6 - 4 = 3 as shown below. Use your intelligence to change one matchstick to create the correct equation.

Change just one match.

Note, you must not break, throw, stack matches or edit matches in subtraction (-) or equal sign (=).

Hurry up and register yourself in the group of smartest people by leaving your answer in the comment box!

Trung Temple

Source: https://vtc.vn/thu-thach-xep-que-diem-99-nguoi-khong-tra-loi-duoc-ar836120.html