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