Update README.md

README.md

@@ -22,8 +22,12 @@ Then reboot the Raspberry Pi.
 
 Make sure that PHP is installed on the Raspberry Pi.
 
-Then add the files from this project to `/home/pi/sensor` and add the following crontab using `sudo crontab -e`.
+Then clone the files from this project to `/home/pi/sensor` using the following command;
+```
+git clone http://git.zsinfo.nl/CHMonitor/DS18B20 /home/pi/sensor
+```
 
+and add the following crontab using `sudo crontab -e`.
 ```
 @reboot php /home/pi/sensor/updateSensor.php
 ```
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