Correct etcd guide
Correct etcd guide

jonboulle/docs,joshix/docs,ksmaheshkumar/docs-2,marineam/coreos-docs,skynet/docs,michelleN/docs,endocode/coreos-docs,mischief/coreos-docs,coreos/docs,hkjn/docs-1,mjg59/docs,robszumski/docs,atxwebs/docs,bq-xiao/docs,wli6/docs,ionave/docs,iankronquist/docs,jdloft/docs