Update README for minor v2.2 changes.
Update README for minor v2.2 changes.

kod3r/Doradus,kod3r/Doradus,shaunstanislaus/Doradus,dell-oss/Doradus,kod3r/Doradus,shaunstanislaus/Doradus,dell-oss/Doradus,dell-oss/Doradus,shaunstanislaus/Doradus