diff --git a/README.md b/README.md
index 2eb96f5..779a1a7 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Home Assistant and a working [OpenEpaper](https://openepaperlink.de/) setup, wit
 * https://www.home-assistant.io/integrations/moon - Moon phases
 * https://www.home-assistant.io/integrations/sun - Sun sensor, help with weather icons if it's clear at night (so you don't see a Sun at night!)
 
-The scripts assume your Met.no weather sensor is called `weather.home`, your Moon sensor is called `sensor.moon_phase`. There is a service call to `weather.get_forecasts` at the top of the HA configuration file to get the hourly weather, which calls this data variable `weather_home_hourly`.
+The scripts assume your Met.no weather sensor is called `weather.home`, your Moon sensor is called `sensor.moon_phase`. There is a service call to `weather.get_forecasts` at the top of the HA configuration file to get the hourly weather, which calls this data variable `weather_home_hourly`. `get_forecasts` is a different response to `get_forecast`, so make sure you are on HA version 2023.12 or greater - it will break if you use `get_forecast`!
 
 ## Tag size - 2.9" or 4.2"
 I made a 2.9" weather tag (pictured above) but there is also one made for 4.2" by [@svenove](https://github.com/svenove/):