README.rdoc in fluent-plugin-redis-0.2.3 vs README.rdoc in fluent-plugin-redis-0.3.0

@@ -1,9 +1,19 @@
 = Redis output plugin for Fluent
 
 fluent-plugin-redis is a fluent plugin to output to redis.
 
+== Requirements
+
+    |fluent-plugin-redis|     fluentd      |  ruby  |
+    |-------------------|------------------|--------|
+    |     >= 0.3.0      | >= 0.14.8        | >= 2.1 |
+    |     == 0.2.3      | ~> 0.12.0 *      | >= 1.9 |
+    |      < 0.2.3      | >= 0.10.0, < 2 * | >= 1.9 |
+
+    * May not support all future fluentd features
+
 == Installation
 
 What you have to do is only installing like this:
 
     gem install fluent-plugin-redis
@@ -11,20 +21,34 @@
 Then fluent automatically loads the plugin installed.
 
 == Configuration
 
     <match redis.**>
-      type redis
+      @type redis
 
       host localhost
       port 6379
 
       # database number is optional.
       db_number 0        # 0 is default
       # If requirepass is set, please specify this.
       # password hogefuga
+      # Users can set '${tag}' or ${tag[0]}.${tag[1]} or ...?
+      # insert_key_prefix '${tag}'
+      # Users can set strftime format.
+      # "%s" will be replaced into unixtime.
+      # "%Y%m%d.%H%M%S" will be replaced like as 20161202.112335.
+      # strftime_format "%s"
+      # Allow insert key duplicate. It will work as update values.
+      # allow_duplicate_key true
     </match>
 
+
+=== Notice
+
+<em>insert_key_prefix</em>, <em>strftime_format</em>, and <em>allow_duplicate_key</em> are newly added config parameters.
+
+They can use v0.3.0 or later. To use this parameters, users must update Fluentd to v0.14 or later and this plugin to v0.3.0 or later.
 
 == Contributing to fluent-plugin-redis
  
 * Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet
 * Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it