dnet: update README

bin/dnet/README.md

@@ -54,19 +54,22 @@ If you don't require a venv, install the requirements and run dnet as follows:
 % python main.py
 ```
 
+## Config
+
+On first run, `dnet` will create a config file in the config directory
+specific to your operating system.
+
+To use `dnet` you will need to open the config file and modify it. Enter
+the RPC ports of the nodes you want to connect to and title them as you
+see fit. The default config file uses localhost, but you can replace
+this with hostnames or external IP addresses. You must also specify
+whether it is a `NORMAL` or a `LILITH` node.
+
 ## Usage
 
 Navigate up and down using the arrow keys. Scroll the message log using
 `PageUp` and `PageDown`. Type `q` to quit.
 
-## Config
-
-The `dnet` config file can be found in `bin/dnet/config.toml`. Enter the
-RPC ports of the nodes you want to connect to and title them as you see
-fit. The default config file uses localhost, but you can replace this
-with hostnames or external IP addresses. You must also specify whether
-it is a `NORMAL` or a `LILITH` node.
-
 ## Logging
 
 dnet creates a log file in `bin/dnet/dnet.log`. To see json data and