[loaders] Slightly improve docs.
[loaders] Slightly improve docs.

mzikherman/metaphysics-1,mzikherman/metaphysics-1,craigspaeth/metaphysics,artsy/metaphysics,artsy/metaphysics,craigspaeth/metaphysics,mzikherman/metaphysics-1,artsy/metaphysics,mzikherman/metaphysics-1