Helm readme has an issue

[Ivan Kolesnikov]

example how to install helm chart has typos a guess, it for iptables and iface prefix agent is missed.

[sonac]

i think its not the only issue, I've struggled a lot during setup

[Rob Vadai]

I couldn't even get it working. I kept getting gRPC errors. My set up is standard, EC2 running Amazon Linux 2 and Rancher