diff --git a/sources/tech/20160912 15 Top Open Source Artificial Intelligence Tools.md b/sources/tech/20160912 15 Top Open Source Artificial Intelligence Tools.md
index 56f78f84b9..1700c3f693 100644
--- a/sources/tech/20160912 15 Top Open Source Artificial Intelligence Tools.md	
+++ b/sources/tech/20160912 15 Top Open Source Artificial Intelligence Tools.md	
@@ -1,3 +1,5 @@
+translating by Chao-zhi
+
 15 Top Open Source Artificial Intelligence Tools
 ====