diff --git a/lib/geocoder/calculations.rb b/lib/geocoder/calculations.rb
index a3f1ff987c66dc5ae78bdf34eb6b940bf7edbc8d..9756d035f60ce765074ad9319f38fb204c957fb9 100644
--- a/lib/geocoder/calculations.rb
+++ b/lib/geocoder/calculations.rb
@@ -184,7 +184,7 @@ module Geocoder
     end
 
     ##
-    # Returns coordinates of the lower-left and upper-right corners of a box
+    # Returns coordinates of the southwest and northeast corners of a box
     # with the given point at its center. The radius is the shortest distance
     # from the center point to any side of the box (the length of each side
     # is twice the radius).