Adding documentation for host option on telize (#1186)

README.md

@@ -761,7 +761,8 @@ This uses the PostcodeAnywhere UK Geocode service, this will geocode any string
 * **Documentation**: https://market.mashape.com/fcambus/telize
 * **Terms of Service**: ?
 * **Limitations**: ?
-* **Notes**: To use Telize set `Geocoder.configure(:ip_lookup => :telize, :api_key => "your_api_key")`.
+* **Notes**: To use Telize set `Geocoder.configure(:ip_lookup => :telize, :api_key => "your_api_key")`. Or configure your self-hosted telize with the `host` option: `Geocoder.configure(:ip_lookup => :telize, :telize => {:host => "localhost"})`.
+
 
 #### MaxMind Legacy Web Services (`:maxmind`)