diff --git a/controller/README.md b/controller/README.md
index 64aee8f..4419cc3 100644
--- a/controller/README.md
+++ b/controller/README.md
@@ -74,3 +74,19 @@ before "exit 0" in order to start the vpn daemon on startup, where zoblakFarmAla
 
 p.s. just for reference, the setting whether the client is using local or remote gw for internet access is being set for all clients in the /etc/openvpn/server.conf file on the server - comment or uncomment line ;push "redirect-gateway def1 bypass-dhcp"
 ```
+
+
+11. to set up the hardware watchdog
+```
+please follow this guide (it is valid for RPI3!): 
+https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=147501
+
+please note that in the /etc/watchdog.conf it is sufficient to uncomment these lines:
+max-load-1              = 24
+watchdog-device = /dev/watchdog
+
+furthermore, this can be added at the end o the file:
+# I added the following command to get rid of a pesky error message
+watchdog-timeout=15
+
+```