N.C. Gen. Stat. § 31-61: Reformation of will to correct mistakes.

The court may reform the terms of a will, if the terms of the will are ambiguous, to conform the terms to the testator's intent if it is proved by clear and convincing evidence what the testator's intent was and that the terms of the will were affected by a mistake of fact or law, whether in expression or inducement. (2017-152, s. 1.)