Original sentence: He once expressed caution towards "an obvious trend toward laxity" in the morality of films, and was one of the few American bishops to oppose the liturgical revision of the Second Vatican Council, which he attended from 1962 to 1965
Edited sentence: He once expressed caution towards "an obvious trend toward laxity" in the morality of films, and was one of the few American bishops to oppose the liturgical revolution of the Second Vatican Council, which he attended from 1962 to 1965