update verbiage
update verbiage

I think the intent here was accidentally switched from "necessary" to "unnecessary." Maybe just say that it might be "required" instead.
bryson/packer,timsutton/packer,bryson/packer,ricardclau/packer,bryson/packer,dave2/packer,grubernaut/packer,paulmey/packer,dave2/packer,pecigonzalo/packer,timsutton/packer,grubernaut/packer,ricardclau/packer,timsutton/packer,paulmey/packer,ricardclau/packer,mitchellh/packer,grubernaut/packer,grubernaut/packer,timsutton/packer,paulmey/packer,bryson/packer,hashicorp/packer,dave2/packer,rnaveiras/packer,bryson/packer,rnaveiras/packer,rnaveiras/packer,dave2/packer,paulmey/packer,mitchellh/packer,grubernaut/packer,pecigonzalo/packer,paulmey/packer,mitchellh/packer,hashicorp/packer,hashicorp/packer,dave2/packer,rnaveiras/packer,paulmey/packer,rnaveiras/packer,hashicorp/packer,ricardclau/packer,mitchellh/packer,ricardclau/packer,ricardclau/packer,rnaveiras/packer,dave2/packer,bryson/packer,timsutton/packer,mitchellh/packer,timsutton/packer,pecigonzalo/packer,grubernaut/packer,pecigonzalo/packer