Update deployments API documentation to add clarifying sentence about rollbacks triggering only when job spec is different.
Update deployments API documentation to add clarifying sentence about rollbacks triggering only when job spec is different.

hashicorp/nomad,hashicorp/nomad,burdandrei/nomad,Ashald/nomad,burdandrei/nomad,nak3/nomad,hashicorp/nomad,burdandrei/nomad,Ashald/nomad,nak3/nomad,burdandrei/nomad,nak3/nomad,nak3/nomad,nak3/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,dvusboy/nomad,Ashald/nomad,dvusboy/nomad,dvusboy/nomad,Ashald/nomad,Ashald/nomad,dvusboy/nomad,hashicorp/nomad,dvusboy/nomad,nak3/nomad,Ashald/nomad,dvusboy/nomad,hashicorp/nomad,Ashald/nomad,burdandrei/nomad,nak3/nomad,hashicorp/nomad