AppDaemon: Updated documentation.

docs/appdaemon.md

@@ -3,12 +3,12 @@ This Installs AppDaemon in a separate Venv onto this system.
 For more information about AppDaemon see the [documentation.](http://appdaemon.readthedocs.io/en/latest/)
 
 ## Installation
-```
+```bash
 $ sudo hassbian-config install appdaemon
 ```
 
 ## Upgrade
-```
+```bash
 $ sudo hassbian-config upgrade appdaemon
 ```
 
@@ -20,12 +20,17 @@ Stop service: `sudo systemctl stop [email protected]`
 Restart service: `sudo systemctl restart [email protected]`  
 Service status: `sudo systemctl status [email protected]`  
 Enter the virtual environment where AppDaemon is installed as `homeassistant`:
-```
-sudo su -s /bin/bash homeassistant
-source /srv/homeassistant/bin/activate
+```bash
+$ sudo su -s /bin/bash homeassistant
+$ source /srv/appdaemon/bin/activate
 ```
 When you are done, type `exit` to return to the `pi` user.
 
+To manually start AppDaemon, enter the AppDaemon virtual environment as described abowe, and then type this to start it:
+```bash
+$ appdaemon -c /home/homeassistant/appdaemon/
+```
+
 ***
 The installation script was originally contributed by [@Landrash](https://github.com/landrash).  
 The upgrade script was originally contributed by [@Ludeeus](https://github.com/ludeeus).