Added changes coplying with robszumski's suggestions
Added changes coplying with robszumski's suggestions

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