Update README

Author: alekfal

README.md

@@ -46,13 +46,14 @@ is `datetime.date(2022, 2, 1)`.
 ### Quickstart
 
 Download meteorological data for a point in Athens, Greece and save result in `*.csv` format.
-
 First, create a "data" folder to hold the POWER data upon download in your current environment.
 
 ```bash
-mkdir data
+$ mkdir data
 ```
 
+Then, run in Python the following to fetch data from NASA POWER:
+
 ```python
 from pynasapower.get_data import query_power
 from pynasapower.geometry import point, bbox