diff --git a/lib/geocoder/sql.rb b/lib/geocoder/sql.rb
index 13b186cc13de17b310e93e37666e995425a06af3..669e262c066c338e073eb1a5b002db9c086b0c84 100644
--- a/lib/geocoder/sql.rb
+++ b/lib/geocoder/sql.rb
@@ -4,8 +4,8 @@ module Geocoder
 
     ##
     # Distance calculation for use with a database that supports POWER(),
-    # SQRT(), PI(), and trigonometric functions SIN(), COS(), ASIN(),
-    # ATAN2(), DEGREES(), and RADIANS().
+    # SQRT(), PI(), and trigonometric functions SIN(), COS(), ASIN(), and
+    # ATAN2().
     #
     # Based on the excellent tutorial at:
     # http://www.scribd.com/doc/2569355/Geo-Distance-Search-with-MySQL