Merge pull request #36 from mask616/master

Update README.md
diff --git a/README.md b/README.md
index 2e8a341..47b7edb 100644
--- a/README.md
+++ b/README.md
@@ -187,7 +187,7 @@
 Then we can modify the `play-docker.sh` and volume this file to the broker container when it starts. For example: 
 
 ```
-docker run -d -p 10911:10911 -p 10909:10909 -v `pwd`/data/broker/logs:/root/logs -v `pwd`/data/broker/store:/root/store -v `pwd`/data/broker/conf/broker.conf:/home/rocketmq/rocketmq-4.5.0/conf/broker.conf --name rmqbroker --link rmqnamesrv:namesrv -e "NAMESRV_ADDR=namesrv:9876" apacherocketmq/rocketmq:4.5.0 sh mqbroker -c /opt/rocketmq-4.5.0/conf/broker.conf
+docker run -d -p 10911:10911 -p 10909:10909 -v `pwd`/data/broker/logs:/root/logs -v `pwd`/data/broker/store:/root/store -v `pwd`/data/broker/conf/broker.conf:/home/rocketmq/rocketmq-4.5.0/conf/broker.conf --name rmqbroker --link rmqnamesrv:namesrv -e "NAMESRV_ADDR=namesrv:9876" apacherocketmq/rocketmq:4.5.0 sh mqbroker -c /home/rocketmq/rocketmq-4.5.0/conf/broker.conf
 
 ```