updates to README.md
updates to README.md

spelling fix

nodakai/watchman,kwlzn/watchman,wez/watchman,wez/watchman,nodakai/watchman,dhruvsinghal/watchman,kwlzn/watchman,wez/watchman,facebook/watchman,dhruvsinghal/watchman,kwlzn/watchman,wez/watchman,facebook/watchman,kwlzn/watchman,wez/watchman,nodakai/watchman,dhruvsinghal/watchman,facebook/watchman,nodakai/watchman,wez/watchman,wez/watchman,nodakai/watchman,facebook/watchman,dhruvsinghal/watchman,kwlzn/watchman,nodakai/watchman,wez/watchman,dhruvsinghal/watchman,facebook/watchman,nodakai/watchman,kwlzn/watchman,nodakai/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,dhruvsinghal/watchman,wez/watchman,facebook/watchman,kwlzn/watchman,dhruvsinghal/watchman,dhruvsinghal/watchman