The purpose of this legislation is to make technical corrections to the Pechanga Band of Luiseno Mission Indians Water Rights Settlement Act. This act aims to clarify definitions and improve the management of water resources for the Pechanga Band, ensuring that their water rights and related agreements are accurately represented and enforced. Key provisions of the legislation include a revised definition of the Pechanga Band's reservation. It specifies the lands included in the reservation, such as those set aside by historical executive orders and additional lands added over the years.