README.md in zold-0.2 vs README.md in zold-0.3

@@ -65,10 +65,12 @@
 ```
 
 You will need PGP keys in `~/.ssh`. To generate them, if you don't have them
 yet, you can run:
 
-
+```bash
+ssh-keygen -t rsa -b 4096
+```
 
 ## Glossary
 
 **Node** is an HTTP server with a RESTful API, a maintainer of wallets
 and a command line Ruby gem [`zold`](https://rubygems.org/gems/zold).