In the April General Conference there is a talk listed as "Go Ye Therefore, and Teach All Nations" by L. Tom Perry, but the video and audio are of a talk from President Gordon B. Hinckley.
Good find! I'd recommend sending this using the Send Feedback option under Gospel Library settings. That's the easiest way to route things to the content team.
Samuel Bradshaw • If you desire to serve God, you are called to the work.