diff --git a/sources/tech/20160812 What is copyleft.md b/sources/tech/20160812 What is copyleft.md
index 5976d82943..7639f69132 100644
--- a/sources/tech/20160812 What is copyleft.md	
+++ b/sources/tech/20160812 What is copyleft.md	
@@ -1,3 +1,4 @@
+yangmingming Translating
 What is copyleft?
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