-Generate public/private keypair of @var{bits} length. If @var{bits} is not specified,
-1024 is the default. tinc will ask where you want to store the files,
-but will default to the configuration directory (you can use the -c or -n
-option).
+Generate both RSA and ECDSA keypairs (see below) and exit.
+tinc will ask where you want to store the files, but will default to the
+configuration directory (you can use the -c or -n option).
+
+@item generate-ecdsa-keys
+Generate public/private ECDSA keypair and exit.
+
+@item generate-rsa-keys [@var{bits}]
+Generate public/private RSA keypair and exit. If @var{bits} is omitted, the
+default length will be 2048 bits. When saving keys to existing files, tinc
+will not delete the old keys; you have to remove them manually.