diff --git a/sources/tech/20181126 How to use the sudo command to deploy superuser powers on Linux.md b/sources/tech/20181126 How to use the sudo command to deploy superuser powers on Linux.md
index 322bb8f303..b673f27b51 100644
--- a/sources/tech/20181126 How to use the sudo command to deploy superuser powers on Linux.md	
+++ b/sources/tech/20181126 How to use the sudo command to deploy superuser powers on Linux.md	
@@ -1,3 +1,5 @@
+[translating by dianbanjiu]
+
 [#]: collector: (lujun9972)
 [#]: translator: ( )
 [#]: reviewer: ( )