Fix typos in the vagrant builder doc
Fix typos in the vagrant builder doc

timsutton/packer,bryson/packer,grubernaut/packer,bryson/packer,rnaveiras/packer,grubernaut/packer,paulmey/packer,hashicorp/packer,tas50/packer,paulmey/packer,paulmey/packer,dave2/packer,paulmey/packer,tas50/packer,mitchellh/packer,rnaveiras/packer,ricardclau/packer,mitchellh/packer,pecigonzalo/packer,grubernaut/packer,ricardclau/packer,tas50/packer,rnaveiras/packer,ricardclau/packer,ricardclau/packer,ricardclau/packer,timsutton/packer,hashicorp/packer,paulmey/packer,bryson/packer,mitchellh/packer,grubernaut/packer,bryson/packer,timsutton/packer,mitchellh/packer,tas50/packer,rnaveiras/packer,dave2/packer,hashicorp/packer,timsutton/packer,tas50/packer,grubernaut/packer,dave2/packer,mitchellh/packer,timsutton/packer,pecigonzalo/packer,ricardclau/packer,dave2/packer,paulmey/packer,rnaveiras/packer,dave2/packer,bryson/packer,dave2/packer,pecigonzalo/packer,rnaveiras/packer,tas50/packer,hashicorp/packer,grubernaut/packer,timsutton/packer,pecigonzalo/packer,bryson/packer