Haw. Rev. Stat. § 658A-24: Modification or correction of award.

(a) Upon motion made within ninety days after the movant receives notice of the award pursuant to section 658A-19 or within ninety days after the movant receives notice of a modified or corrected award pursuant to section 658A-20, the court shall modify or correct the award if:

(1) There was an evident mathematical miscalculation or an evident mistake in the description of a person, thing, or property referred to in the award;

(2) The arbitrator has made an award on a claim not submitted to the arbitrator and the award may be corrected without affecting the merits of the decision upon the claims submitted; or

(3) The award is imperfect in a matter of form not affecting the merits of the decision on the claims submitted.

(b) If a motion made under subsection (a) is granted, the court shall modify or correct and confirm the award as modified or corrected. Otherwise, unless a motion to vacate is pending, the court shall confirm the award.

(c) A motion to modify or correct an award pursuant to this section may be joined with a motion to vacate the award.