add missing section separator for config.ssh part

website/source/docs/vagrantfile/ssh_settings.html.md

@@ -155,18 +155,26 @@ is:
 config.ssh.export_command_template = 'export %ENV_KEY%="%ENV_VALUE%"'
 ```
 
+<hr>
+
 `config.ssh.sudo_command` - The command to use when executing a command
 with `sudo`. This defaults to `sudo -E -H %c`. The `%c` will be replaced by
 the command that is being executed.
 
+<hr>
+
 `config.ssh.compression` - If `false`, this setting will not include the
 compression setting when ssh'ing into a machine. If this is not set, it will
 default to `true` and `Compression=yes` will be enabled with ssh.
 
+<hr>
+
 `config.ssh.dsa_authentication` - If `false`, this setting  will not include
 `DSAAuthentication` when ssh'ing into a machine. If this is not set, it will
 default to `true` and `DSAAuthentication=yes` will be used with ssh.
 
+<hr>
+
 `config.ssh.extra_args` - This settings value is passed directly into the
 ssh executable. This allows you to pass any arbitrary commands to do things such
 as reverse tunneling down into the ssh program. These options can either be