Still better instructions on fixing a bad bootstrap

Still better instructions on fixing a bad bootstrap.

README.md

@@ -290,11 +290,11 @@ COmanage Registry with a configuration that does not allow them
 to authenticate as the platform administrator. When that happens
 follow these steps on the training node as the root user:
 
-1. `docker stack rm comanage`
-1. `cd /srv/docker/var/lib/mysql`
-1. `rm -rf ./*`
-1. `cd /srv/docker/srv/comanage-registry/local/Config`
-1. `rm -rf ./*`
+1. `sudo docker stack rm comanage`
+1. `sudo cd /srv/docker/var/lib/mysql`
+1. `sudo rm -rf ./*`
+1. `sudo cd /srv/docker/srv/comanage-registry/local/Config`
+1. `sudo rm -rf ./*`
 
 Then tell the user to correct the error in the stack file
 and try again.