Add a comment about a limitation of the frame stepping in Movie.
Add a comment about a limitation of the frame stepping in Movie.

joansmith/tripleplay,tomfisher/tripleplay,joansmith/tripleplay,joansmith/tripleplay,joansmith/tripleplay,tomfisher/tripleplay,tomfisher/tripleplay,joansmith/tripleplay,tomfisher/tripleplay,tomfisher/tripleplay