README.md in fluent-plugin-rds-mysql-slow-log-0.1.0 vs README.md in fluent-plugin-rds-mysql-slow-log-0.2.0

@@ -30,10 +30,11 @@
   emit_interval 30
   encoding utf-8
   from_encoding shift_jis
   keep_time_key
   null_empty_string
+  rotate_interval 1
   tag_prefix slow_log
   <server>
     host db1.xxxxxxxxxxxx.us-east-1.rds.amazonaws.com
     port 3306
     username user
@@ -61,5 +62,9 @@
 Bug reports and pull requests are welcome on GitHub at https://github.com/kaorimatz/fluent-plugin-rds-mysql-slow-log.
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).
+
+## Acknowledgement
+
+The idea of calling `mysql.rds_rotate_slow_log` for collecting slow log entries is borrowed from [fluent-plugin-rds-slowlog](https://github.com/kenjiskywalker/fluent-plugin-rds-slowlog).