Fix ReadMe for config file generation info
Fix ReadMe for config file generation info

Change-Id: I5f49572aa324bf752766ed98e71ed3ff83e58f0e
Closes-bug: #1590873

celebdor/kuryr-libnetwork,openstack/kuryr,openstack/kuryr,celebdor/kuryr,celebdor/kuryr-libnetwork,celebdor/kuryr-libnetwork,celebdor/kuryr