diff --git a/sources/tech/20160831 Apache Spark Scale - A 60 TB  production use case.md b/sources/tech/20160831 Apache Spark Scale - A 60 TB  production use case.md
index eb33ca61c9..7e0268a00f 100644
--- a/sources/tech/20160831 Apache Spark Scale - A 60 TB  production use case.md	
+++ b/sources/tech/20160831 Apache Spark Scale - A 60 TB  production use case.md	
@@ -1,3 +1,5 @@
+wyangsun translating
+
 Apache Spark @Scale: A 60 TB+ production use case
 ===========