doc: fix code-block syntax
A code-block needs to be followed by a black line.
ERROR: Error in "code-block" directive:
maximum 1 argument(s) allowed, 13 supplied.
@@ -13,6 +13,7 @@ Generate a certificate
To generate a keypair, you should use the `openssl` command. As an example:
.. code-block:: console
+
openssl req -x509 -newkey rsa:2048 -keyout lxd.key -nodes -out lxd.crt -subj "/CN=lxd.local"
For more detail on the commands, or to customize the keys, please see the
