README.markdown in geokit-1.11.0 vs README.markdown in geokit-1.12.0

@@ -60,11 +60,13 @@
 * IP - geocodes an IP address using hostip.info's web service.
 * Geoplugin.net -- another IP address geocoder
 * Geobytes
 * RIPE
 * MaxMind
-* freegeoip.net
+* Ipstack
+* freegeoip.net (deprecated, now Ipstack)
+* IP-API.com
 
 ### HTTPS-supporting geocoders
 * Google
 * Yahoo
 * Bing
@@ -167,10 +169,15 @@
     # This is your username key for geonames.
     # To use this service either free or premium, you must register a key.
     # See http://www.geonames.org
     Geokit::Geocoders::GeonamesGeocoder.key = 'KEY'
 
+    # This is your access key for ipstack.
+    # To use this service either free or premium, you must register a key.
+    # See https://ipstack.com
+    Geokit::Geocoders::IpstackGeocoder.api_key = 'API_KEY'
+
     # Most other geocoders need either no setup or a key
     Geokit::Geocoders::BingGeocoder.key = ''
     Geokit::Geocoders::MapQuestGeocoder.key = ''
     Geokit::Geocoders::YandexGeocoder.key = ''
     Geokit::Geocoders::MapboxGeocoder.key = 'ACCESS_TOKEN'
@@ -185,16 +192,22 @@
     # Please see the section "writing your own geocoders" for more information.
     # Geokit::Geocoders::external_key = 'REPLACE_WITH_YOUR_API_KEY'
 
     # This is the order in which the geocoders are called in a failover scenario
     # If you only want to use a single geocoder, put a single symbol in the array.
-    # Valid symbols are :google, :yahoo, :us, and :ca.
+    #
+    # Valid symbols are: :bing, :ca, :fcc, :geocodio, :geonames, :google,
+    # :map_quest, :mapbox, :maxmind, :opencage, :osm, :us, :yahoo, and :yandex.
+    #
     # Be aware that there are Terms of Use restrictions on how you can use the
     # various geocoders.  Make sure you read up on relevant Terms of Use for each
     # geocoder you are going to use.
     Geokit::Geocoders::provider_order = [:google,:us]
 
-    # The IP provider order. Valid symbols are :ip,:geo_plugin.
+    # The IP provider order.
+    #
+    # Valid symbols are :ipstack, :geo_plugin, :geobytes, :ip, and :ripe.
+    #
     # As before, make sure you read up on relevant Terms of Use for each.
     # Geokit::Geocoders::ip_provider_order = [:external,:geo_plugin,:ip]
 
 	# Disable HTTPS globally.  This option can also be set on individual
 	# geocoder classes.