diff --git a/sources/tech/20180927 How To Find And Delete Duplicate Files In Linux.md b/sources/tech/20180927 How To Find And Delete Duplicate Files In Linux.md
index e3a0a9d561..dd45caa589 100644
--- a/sources/tech/20180927 How To Find And Delete Duplicate Files In Linux.md	
+++ b/sources/tech/20180927 How To Find And Delete Duplicate Files In Linux.md	
@@ -1,3 +1,5 @@
+translating by singledo
+
 How To Find And Delete Duplicate Files In Linux
 ======