Absent fraud or duress, a spousal election against a will (or an election to take under the will) becomes irrevocable at the end of the six month period allowed by 20 Pa.C.S. § 2210(b) and may not be revoked merely because the surviving spouse had insufficient information about the estate. In re: Estate of Caleem L. Jabbour, Deceased, ___ Pa. ____, 276 A.3d 1180, 13 WAP 2021 (6/22/2022), rev’g 2020 PA Super 299, 244 A.3d 1254 (12/30/2020).