Update README.md

README.md

@@ -39,7 +39,13 @@ layer_bottom: 5
 ```
 
 # Run the script
+* modify config.yaml as you wish
+* activate conda environment
 ```
-$ python3 results_to_vtk.py
+$ conda activate py3
+```
+* run the python script
+```
+(py3) $ python3 results_to_vtk.py
 ```
 The script will create a binary VTK file with the name: /path/to/output/directory/no/extension/openBC_prod_10yr.vts