Original sentence: He spent much of his time as mayor trying to increase the strength and influence of the mayor's office over state-appointed boards such as the Sewerage and Water Board and Dock Board, an effort he described as a democratization of city governance
Edited sentence: He spent much of his time as mayor trying to increase the strength and influence of the mayor's office over state-appointed boards such as the Sewerage and Water Board and Dock Board (the supervisory body for the Port of New Orleans), an effort he described as a democratization of city governance