Fix second-level heading in connectors doc.
@@ -9,8 +9,7 @@ Connectors enable ``pyinfra`` to integrate with other tools out of the box. Conn
## Running commands
If you want to run a command consider using `host.run_shell_command()`.
-
-# Want a new connector?
+## Want a new connector?
If interested in building a connector, check out [the existing code](https://github.com/Fizzadar/pyinfra/tree/master/pyinfra/api/connectors). Be sure to add tests and documentation.
Each connector is described below along with usage examples:
