Which page you are referring to?
https://docs.substrate.io/tutorials/v3/permissioned-network
What is the problem?
- In the custom type mapping part, it seems that the
PeerId configuration step can be skipped without affecting the rest of the tutorials.
- Polkadot.js app is no longer has developer page in the latest version.
What could be done?
Delete that part or give a further explanation (why we don't need that now).