Which Amendment of US Constitution allow two terms of president?

Which Amendment of US Constitution allow two terms of president?A. 12 Amendment
B. 21 Amendment
C. 22 Amendment
D. 10 Amendment

The Twenty-second Amendment to the United States Constitution limits to two the number of times a person is eligible for election to the office of President of the United States, and sets additional eligibility conditions for presidents who succeed to the unexpired terms of their predecessors