README in gis-distance-1.0.1 vs README in gis-distance-1.0.2

- old
+ new

@@ -4,13 +4,17 @@
 
 == Installation
 gem install gis-distance
 
 == Synopsis
-require 'gis/distance'
+require 'gis/distance' # or 'gis-distance'
 
 # New York to Los Angeles
 gis = GIS::Distance.new(40.47, 73.58, 34.3, 118.15)
+
+# Set the formula of your choice
+gis.formula = 'cosines'
+gis.formula = 'haversine'
 
 p gis.distance    # Kilometers
 p gis.distance.mi # Miles 
 
 == License