clarify structure-only help - will do nothing if --alter is not used.  fix option indentation in source.
clarify structure-only help - will do nothing if --alter is not used.  fix option indentation in source.

willbryant/kitchen_sync,willbryant/kitchen_sync,willbryant/kitchen_sync,willbryant/kitchen_sync,willbryant/kitchen_sync,willbryant/kitchen_sync