diff --git a/sources/talk/20170131 Book review Ours to Hack and to Own.md b/sources/talk/20170131 Book review Ours to Hack and to Own.md
index 1405bfe34a..512c21df15 100644
--- a/sources/talk/20170131 Book review Ours to Hack and to Own.md	
+++ b/sources/talk/20170131 Book review Ours to Hack and to Own.md	
@@ -1,3 +1,5 @@
+translating by wangs0622
+
 Book review: Ours to Hack and to Own
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