diff --git a/translated/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md b/translated/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md
index ae64cddfc1..7041cbebcd 100644
--- a/translated/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md	
+++ b/translated/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md	
@@ -1,5 +1,5 @@
 
-在树莓派上通过Apache Spark搭建Hadoop集群
+在树莓派上通过Apache Spark on YARN搭建Hadoop集群
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 有些时候我们想从DQYDJ网站的数据中分析点有用的东西出来，在过去，我们要用R语言提取固定宽度的数据，然后通过数学建模分析美国的最低收入补贴，当然也包括其他优秀的方法。