diff --git a/geocoder/ip-addresses/README.md b/geocoder/ip-addresses/README.md
index 5702d3c..f7ee266 100644
--- a/geocoder/ip-addresses/README.md
+++ b/geocoder/ip-addresses/README.md
@@ -5,11 +5,14 @@ IP address geocoder
 
 ### Creation steps
 
-1. upload a new dataset to the geocoder table, call it latest_ip_address_locations
+1. Upload a new dataset to the geocoder table, call it latest_ip_address_locations
 2. Run the sql/build_data_table script to update the table
 
 ### Data Sources
 
+GeoLite2 open source database [Created by MaxMind](http://www.maxmind.com) - 
+http://dev.maxmind.com/geoip/geoip2/geolite2/ Download the CSV [Geolite2 City](http://geolite.maxmind.com/download/geoip/database/GeoLite2-City-CSV.zip)
+
 ### Preparation details