docs typo -- fix #678
docs typo -- fix #678

malept/gunicorn,ccl0326/gunicorn,mvaled/gunicorn,wong2/gunicorn,1stvamp/gunicorn,beni55/gunicorn,mvaled/gunicorn,jamesblunt/gunicorn,harrisonfeng/gunicorn,ccl0326/gunicorn,mvaled/gunicorn,malept/gunicorn,tejasmanohar/gunicorn,prezi/gunicorn,ccl0326/gunicorn,1stvamp/gunicorn,tempbottle/gunicorn,wong2/gunicorn,gtrdotmcs/gunicorn,prezi/gunicorn,elelianghh/gunicorn,keakon/gunicorn,zhoucen/gunicorn,malept/gunicorn,gtrdotmcs/gunicorn,prezi/gunicorn,1stvamp/gunicorn,gtrdotmcs/gunicorn,GitHublong/gunicorn,ephes/gunicorn,jamesblunt/gunicorn,jamesblunt/gunicorn,wong2/gunicorn,WSDC-NITWarangal/gunicorn,z-fork/gunicorn,zhoucen/gunicorn,MrKiven/gunicorn,zhoucen/gunicorn