Correctable Error At The End Of Game?

[Refsmitty]

2.10.1 SITUATION B: The score is tied with three seconds remaining in the final
period. A1 is fouled and is given a one-and-one. A1 misses the first free throw;
B1 grabs the rebound and attempts a long shot. The try is unsuccessful and the
teams prepare for overtime. Before the overtime begins, the officials are notified
that A1 should have received two free throws instead of a one-and-one. RULING:
The error is discovered within the correctable error timeframe, and shall be corrected.
The second free throw is awarded, if successful, the game is over. If the
free throw is missed, overtime is played. (2-10-1a)