Update README.md
diff --git a/README.md b/README.md
index 07901b9..de65784 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,8 @@
[](http://isitmaintained.com/project/apache/rocketmq-docker "Average time to resolve an issue")
[](http://isitmaintained.com/project/apache/rocketmq-docker "Percentage of issues still open")

-[](https://hub.docker.com/repository/docker/apache/rocketmq)
+[](https://hub.docker.com/repository/docker/apache/rocketmq)
+
