fix README

README.md

@@ -31,5 +31,5 @@ $ $GOPATH/bin/burrowx --config path/to/server.json
 
 #### Features
  - Light weight and extremely simple to use, metrics are stored in [influxdb](https://github.com/influxdata/influxdb),  and could be easily viewed on [grafana](https://github.com/grafana/grafana)
- - Only support kafka version 0.9.X,0.10.X which stores the consumer offsets in kakfa topic `__consumer_offsets`
+ - Only support kafka version >= 0.9.X, which stores the consumer offsets in the topic `__consumer_offsets`,if you are using kafka 0.8.X, try my previous repo `https://github.com/shunfei/Dcmonitor`
  - Base on topic,partitions of a topic are merged into topic