Question: Who wrote the supplemental material added to the Lectures book in 2005?

Is "They were edited and supplemented in 2005 with "Feynman's Tips on Physics: A Problem-Solving Supplement to the Feynman Lectures on Physics" by Michael Gottlieb and Ralph Leighton (Robert Leighton's son), with support from Kip Thorne and other physicists." the correct answer?
Select from:
(1). yes;
(2). no;
(1).