instructions on custom Airflow Operators

kedro-airflow/README.md

@@ -55,3 +55,12 @@ You can use the additional command line argument `--jinja-file` (alias `-j`) to
 ```bash
 kedro airflow create --jinja-file=./custom/template.j2
 ```
+
+#### What if I want to use a different Airflow Operator?
+
+Which Airflow Operator to use depends on the environment your project is running in.
+You can set the operator to use by providing a custom template.
+See _"What if I want to use a different Jinja2 template?"_ for instructions on using custom templates.
+The [rich offering](https://airflow.apache.org/docs/apache-airflow-providers/operators-and-hooks-ref/index.html) of operators means that the `kedro-airflow` plugin is providing templates for specific operators. 
+The default template provided by `kedro-airflow` uses the `BaseOperator`.
+