diff --git a/README.md b/README.md
index 28e32a9..e9866c3 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 * Temperature (Calsius, very accurate with the BME230 sensor from Bosch)
 * Pressure (hPa)
 * Humidity (%H)
-* Light (lumen)
+* Light (Lux)
 * Wind speed (km/h)
 * Battery voltage (V)