Simplify the following text for a Grade 7 native English-speaking person.
Original: The name was changed ( possibly at the instigation of James Chambers ) soon after Stuart 's return at Adelaide at the end of the expedition , such that Central Mount Stuart is the name that appeared in the published expedition journal .
Simplified: This happened soon after Stuart 's return to Adelaide at the end of the expedition . Central Mount Stuart is the name that was printed in the published expedition journal .