diff --git a/horusmapper.cfg.example b/horusmapper.cfg.example
index 4206d11..a8d05c8 100644
--- a/horusmapper.cfg.example
+++ b/horusmapper.cfg.example
@@ -225,7 +225,7 @@ unitselection = metric
 
 # Sensible choice of unit selection (all thresholds set in metric)
 
-# This is the threshold for switching from miles to feet, set in meters.
+# This is the threshold for switching from miles to feet, set in metres.
 switch_miles_feet = 400