message: docs: clarity how to run two connected nodes
  [skip ci]
diff: @@ -73,9 +73,10 @@ ckb -C node1 init
  ckb -C node2 init
  # Change listen ports 8114/8115 to 8116/8117 in node2/ckb.toml.
  # Change `rpc_url` in node2/ckb.toml to use 8116.
  -# You may also want to add each other as a boot node in the configuration file.
  # start node1
  ckb -C node1 run
  +# If you want node2 connects node1, copy the P2P address of node1 in its log.
  +# Add the address into the section `bootnodes` in `node2/ckb.toml`.
  # start node2
  ckb -C node2 run
  ```
  