diff --git a/custom_components/adaptive_lighting/switch.py b/custom_components/adaptive_lighting/switch.py
index 52e5e356..1fd9f4dd 100755
--- a/custom_components/adaptive_lighting/switch.py
+++ b/custom_components/adaptive_lighting/switch.py
@@ -255,7 +255,7 @@ def _supported_features(hass: HomeAssistant, light: str):
 
 
 def color_difference_redmean(rgb1, rgb2):
-    """The distance between colors in RGB space, known as redmean.
+    """Distance between colors in RGB space (redmean metric).
 
     The maximal distance between (255, 255, 255) and (0, 0, 0) ≈ 765.