Corrected the instructions for installation of MF mission.

README.md

@@ -64,13 +64,17 @@ MISSIONS_PATH = r"C:\Users\dijksterhuis\Documents\Arma 3\MPMissions`
 9. Bring up the Windows start menu and search for `Command Prompt`. Right click on it and `Run as Administrator`.
 10. In Windows File Explorer, open up the `BN-MIKE-FORCE\Mike-Force` folder. Double click in the address bar and copy the full location of the folder (Ctrl + C).
 11. Back in the Command Prompt, type `cd` then press the spacebar then use Ctrl + V to paste in the Mike Force folder location. Press Enter.
-12. You should see some text saying different folders have been created and if nothing went wrong it should be asking you to `press any key to exit`. 
-13. Press any key on your keyboard and close the COmmand Prompt.
-14. Start Arma3.
-15. Switch to your default game profile (or the profile where your linked `MPMissions` folder is under)
-16. Go to `Multiplayer` > `Host Server` > Click on `Host Server` (bottom right)
-17. You should see the multiplayer missions menu screen. Select a Map (Altis, CamLaoNam, KheSan or Bra). 
-18. The `Mike Force (v1.00.0+)` should be highlighted in green. You can now enter the 3D editor or play as a non whitelisted unit (bottom right of the screen).
+12. Now type the following and hit Enter. This will automatically build your Python mission.
+```
+python setup_dev_environment.py
+```
+13. You should see some text saying different folders have been created and if nothing went wrong it should be asking you to `press any key to exit`. 
+14. Press any key on your keyboard and close the Command Prompt.
+15. Start Arma3.
+16. Switch to your default game profile (or the profile where your linked `MPMissions` folder is under)
+17. Go to `Multiplayer` > `Host Server` > Click on `Host Server` (bottom right)
+18. You should see the multiplayer missions menu screen. Select a Map (Altis, CamLaoNam, KheSan or Bra). 
+19. The `Mike Force (v1.00.0+)` should be highlighted in green. You can now enter the 3D editor or play as a non whitelisted unit (bottom right of the screen).
 
 ### Whitelisted Units