diff --git a/installation-audiorakete.md b/installation-audiorakete.md
index 00c9937..06a6df9 100644
--- a/installation-audiorakete.md
+++ b/installation-audiorakete.md
@@ -23,35 +23,59 @@ sudo easy_install-3.6 -U pip
 sudo pip3.6 install socketio-client
 sudo pip3.6 install RPi.GPIO
 
-
 # copy directory audiorakete to /data/INTERNAL
 
-python3.6 /data/INTERNAL/audiorakete/test/lighton.py 
-python3.6 /data/INTERNAL/audiorakete/test/lightoff.py 
-python3.6 /data/INTERNAL/audiorakete/test/lighton.py 
-python3.6 /data/INTERNAL/audiorakete/test/lightoff.py 
-python3.6 /data/INTERNAL/audiorakete/test/buttons.py 
-python3.6 /data/INTERNAL/audiorakete/test/sensor_tcst2103.py 
-python3.6 /data/INTERNAL/audiorakete/test/lighton.py 
-fswebcam -d /dev/video0 -v webcam-test.jpg
-python3.6 /data/INTERNAL/audiorakete/test/lightoff.py 
-fswebcam -d /dev/video0 -v webcam-test.jpg
-python3.6 /data/INTERNAL/audiorakete/test/lighton.py 
-fswebcam -d /dev/video0 -v webcam-test.jpg
-sudo shutdown -h now
-python3.6 /data/INTERNAL/audiorakete/test/lighton.py 
+python3.6 /data/INTERNAL/audiorakete/test/lighton.py
+python3.6 /data/INTERNAL/audiorakete/test/lightoff.py
+python3.6 /data/INTERNAL/audiorakete/test/buttons.py
+python3.6 /data/INTERNAL/audiorakete/test/sensor_tcst2103.py
+python3.6 /data/INTERNAL/audiorakete/test/lighton.py
 fswebcam -d /dev/video0 -v webcam-test.jpg
 zbarcam --quiet --nodisplay --raw -Sdisable -Sqrcode.enable /dev/video0
+python3.6 /data/INTERNAL/audiorakete/test/lightoff.py
+
+# disable HDMI
 sudo /opt/vc/bin/vcgencmd get_throttled
 sudo /opt/vc/bin/tvservice -o
-sudo nano /etc/rc.local 
-# /opt/vc/bin/tvservice -o --> rc.local
+
+sudo nano /etc/rc.local
+```
+> ```
+> /opt/vc/bin/tvservice -o
+> ```
+
+```
 # disable PWR led in /boot/config.txt
-nano /boot/config.txt 
+nano /boot/config.txt
+```
+> ```
+> # Disable the PWR LED
+> dtparam=pwr_led_trigger=none
+> dtparam=pwr_led_activelow=off
+> ```
+
+```
 sudo nano /lib/systemd/system/audiorakete.service
+```
+> ```
+> [Unit]
+> Description=audiorakete
+> After=volumio.service
+> Requires=volumio.service
+> 
+> [Service]
+> Type=simple
+> ExecStart=/bin/bash -c 'exec python3.6 /data/INTERNAL/audiorakete/audiorakete.p$
+> User=volumio
+> 
+> [Install]
+> WantedBy=multi-user.target
+> ```
+
+```
 sudo systemctl daemon-reload
 sudo systemctl enable qudio.service
 sudo systemctl enable audiorakete.service
 sudo reboot
-tail -f /tmp/audiorakete.log 
+tail -f /tmp/audiorakete.log
 ```
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