book: correct output in running node

doc/src/testnet/node.md

@@ -36,7 +36,8 @@ The defaults are already preset for using the testnet network.
 $ ./darkfid
 Config file created in "~/.config/darkfi/darkfid_config.toml". Please review it and try again.
 $ ./drk
-Config file created in "~/.config/darkfi/drk_config.toml". Please review it and try again.
+drk 0.4.1
+...
 ```
 
 ## Running