Hello,The Spark organizational leader ：
This is my first time to contribute the Spark code, do not know much
about the process.I released a bug in JIRA：SPARK-20570
<https://issues.apache.org/jira/browse/SPARK-20570>：On the spark.apache.org
home page, when I click the menu Latest Release (Spark 2.1.1) under the
documentation menu ,the next page latest appear with display 2.1.0 lable in
the upper left corner of the page.
I want to contribute the Spark code perfect modify it，The hope can give
a chance.
Thanks very much!
liucht
