Update README.md

Author: tuanavu

README.md

@@ -50,11 +50,14 @@ Check http://localhost:8080/
 
 ## Other commands
 
-If you want to run other airflow sub-commands, you can do so like this:
+If you want to run airflow sub-commands, you can do so like this:
 
 - `docker-compose run --rm webserver airflow list_dags` - List dags
 - `docker-compose run --rm webserver airflow test [DAG_ID] [TASK_ID] [EXECUTION_DATE]` - Test specific task
 
+If you want to run/test python script, you can do so like this:
+- `docker-compose run --rm webserver python /usr/local/airflow/dags/[PYTHON-FILE].py` - Test python script
+
 ## Connect to database
 
 If you want to use Ad hoc query, make sure you've configured connections: