Original sentence: Over the years Smith described this experience in various detail, and in his last written account (1838) he stated that he saw God the Father and Jesus Christ sometime in the spring of 1820, when he was fourteen years old
Edited sentence: Over the years Smith described this experience with changing and increasing detail, and in his last written account (1838) he stated that he saw God the Father and Jesus Christ sometime in the spring of 1820, when he was fourteen years old