diff --git a/README.md b/README.md
index fcb1c75435fb395a2f61e17f156b842c7acd6446..27447a8d45fef75a7a77eb40a722776910d63c39 100644
--- a/README.md
+++ b/README.md
@@ -20,10 +20,22 @@ Then reboot the Raspberry Pi.
 
 ## Installation
 
-Make sure that PHP is installed on the Raspberry Pi.
+Make sure that PHP, PHP-cURL and Git is installed on the Raspberry Pi.
+
+Then clone the files from this project to `/home/pi/sensor` using the following command:
+```
+git clone http://git.zsinfo.nl/CHMonitor/DS18B20.git /home/pi/sensor
+```
+
+Edit the sensorId and apiKey values in the `updateSensor.php` file to the values supplied to you on the CH Monitor panel.
+
+Test if the script finds the temperature sensor by running the following command. Exit the script using `ctrl + c`
+```
+php /home/pi/sensor/updateSensor.php
+```
 
-Then add the files from this project to `/home/pi/sensor` and add the following crontab using `sudo crontab -e`.
 
+and add the following crontab using `sudo crontab -e`.
 ```
 @reboot php /home/pi/sensor/updateSensor.php
 ```
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