diff --git a/docs/pimoroni_fan_shim.md b/docs/pimoroni_fan_shim.md
index 3dcf42e..0703c94 100644
--- a/docs/pimoroni_fan_shim.md
+++ b/docs/pimoroni_fan_shim.md
@@ -9,7 +9,7 @@ git clone https://github.com/pimoroni/fanshim-python.git /opt/fanshim-python
 cd /opt/fanshim-python
 ./install.sh
 cd examples
-sudo ./install-service.sh --on-threshold 55 --off-threshold 45 --delay 5 --hysteresis 0
+sudo ./install-service.sh --on-threshold 55 --off-threshold 45 --delay 5
 systemctl enable --now pimoroni-fanshim.service
 
 ```