README.md in fluent-plugin-keep-forward-0.1.2 vs README.md in fluent-plugin-keep-forward-0.1.3

@@ -18,9 +18,15 @@
 
 - keepalive_time (time)
 
     Keepalive expired time. Default is nil (which means to keep connection as long as possible).
 
+- keepforward
+
+    `one` for keep forwarding all data to the one node.
+    `tag` for keep forwarding data with the same tag to the same node.
+    Default is `one`.
+
 - prefer_recover (bool)
 
     Switch connection to a recovered node from standby nodes or less weighted nodes. Default is `true`.
 
 ## Contributing