diff --git a/sources/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md b/sources/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md
index ecafaab657..0f42fc6fc9 100644
--- a/sources/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md	
+++ b/sources/tech/20160901 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN - Big Data 101.md	
@@ -1,4 +1,3 @@
-Translated by chunyang-wen
 A Raspberry Pi Hadoop Cluster with Apache Spark on YARN: Big Data 101
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