README.md in fluent-plugin-geoip-0.0.2 vs README.md in fluent-plugin-geoip-0.0.3

@@ -1,9 +1,17 @@
 # fluent-plugin-geoip
 
 Fluentd Output plugin to add information about geographical location of IP addresses with Maxmind GeoIP databases.
 
+fluent-plugin-geoip has bundled cost-free [GeoLite City database](http://dev.maxmind.com/geoip/legacy/geolite/) by default.  
+Also you can use purchased [GeoIP City database](http://www.maxmind.com/en/city) ([lang:ja](http://www.maxmind.com/ja/city)) which costs starting from $50.  
+
+The accuracy details for GeoLite City (free) and GeoIP City (purchased) has described at the page below.
+
+* http://www.maxmind.com/en/geolite_city_accuracy ([lang:ja](http://www.maxmind.com/ja/geolite_city_accuracy))
+* http://www.maxmind.com/en/city_accuracy ([lang:ja](http://www.maxmind.com/ja/city_accuracy))
+
 ## Installation
 
 install with `gem` or `fluent-gem` command as:
 
 ```
@@ -18,22 +26,25 @@
 
 ```
 <match access.apache>
   type geoip
 
-  # buffering time
+  # buffering time (default: 60s)
   flush_interval           1s
 
   # tag settings
   remove_tag_prefix        access.
   add_tag_prefix           geoip.
   include_tag_key          false
 
-  # geoip settings
+  # specify geoip lookup field (default: host)
   geoip_lookup_key         host
 
-  # record settings
+  # specify geoip database (using bundled GeoLiteCity databse by default)
+  geoip_database           'data/GeoLiteCity.dat'
+
+  # record settings (enable more than one keys required.)
   enable_key_city          geoip_city
   enable_key_latitude      geoip_lat
   enable_key_longitude     geoip_lon
   enable_key_country_code3 geoip_country3
   enable_key_country_code  geoip_country
@@ -84,9 +95,14 @@
 # check the result at stdout
 $ tail /var/log/td-agent/td-agent.log
 2013-08-04 16:21:32 +0900 test.geoip: {"host":"66.102.9.80","message":"test"}
 2013-08-04 16:21:32 +0900 debug.geoip: {"host":"66.102.9.80","message":"test","city":"Mountain View","lat":37.4192008972168,"lon":-122.05740356445312}
 ```
+
+## Articles
+
+* [IPアドレスを元に位置情報をリアルタイムに付与する fluent-plugin-geoip v0.0.1をリリースしました #fluentd - Y-Ken Studio](http://y-ken.hatenablog.com/entry/fluent-plugin-geoip-has-released)  
+http://y-ken.hatenablog.com/entry/fluent-plugin-geoip-has-released
 
 ## TODO
 
 Pull requests are very welcome!!