improves text format for readability (#7855)
improves text format for readability (#7855)

Small text format changes to section "I have more than one controller running in my cluster, and I want to use the new spec?" to allow for better readability.
kubernetes/ingress-nginx,kubernetes/ingress-nginx,canhnt/ingress,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress,kubernetes/ingress-nginx,kubernetes/ingress-nginx,canhnt/ingress