-First things first: you'll need to create an "authentication" subkey
-for your current key, if you don't already have one. If you already
-have a GPG key, you can add an authentication subkey with:
+First things first: you'll need to have a OpenPGP "authentication"
+subkey for your current key, if you don't already have one. If you
+already have a GPG key, you can generate an authentication subkey with
+the `gen-subkey` command: