diff --git a/weather-widget/README.md b/weather-widget/README.md
index 8ca7cee..205007f 100644
--- a/weather-widget/README.md
+++ b/weather-widget/README.md
@@ -24,7 +24,7 @@ Note that widget uses the Arc icon theme, so it should be [installed](https://gi
     git clone https://github.com/streetturtle/awesome-wm-widgets.git ~/.config/awesome/
     ```
 
-1.  Get Open Weather Map app id here: [openweathermap.org/appid](https://openweathermap.org/appid) and place it in  **~/.config/awesome/awesome-wm-widgets/secrets.lua**, or directly in the widget. Don't forget to set also your city.
+1.  Get Open Weather Map app id here: [openweathermap.org/appid](https://openweathermap.org/appid) and place it in  **~/.config/awesome/awesome-wm-widgets/secrets.lua**, or directly in the widget. Don't forget to set also your city and units - C/F.
 
 1. Require weather widget at the beginning of **rc.lua**: