Updated README for enhancement #6
Updated README for enhancement #6

Also trimming trailing whitespace

ajthemacboy/dockerfiles,jbeda/itzg-dockerfiles,sekka1/dockerfiles,zerocoolys/dockerfiles-1,itzg/dockerfiles,zerocoolys/dockerfiles-1,jbeda/itzg-dockerfiles,jbeda/itzg-dockerfiles,sekka1/dockerfiles,zerocoolys/dockerfiles-1,sekka1/dockerfiles