minor typo corrections and aesthetic changes
minor typo corrections and aesthetic changes

jorge-marques/maestro-ng,signalfuse/maestro-ng,signalfuse/maestro-ng,zsuzhengdu/maestro-ng,signalfx/maestro-ng,Anvil/maestro-ng,zsuzhengdu/maestro-ng,signalfx/maestro-ng,jorge-marques/maestro-ng,Anvil/maestro-ng