diff --git a/sources/talk/20141222 A brief history of Linux malware.md b/sources/talk/20141222 A brief history of Linux malware.md
index f9898b3734..07c8d82907 100644
--- a/sources/talk/20141222 A brief history of Linux malware.md	
+++ b/sources/talk/20141222 A brief history of Linux malware.md	
@@ -1,3 +1,4 @@
+[translating by KayGuoWhu]
 A brief history of Linux malware
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 A look at some of the worms and viruses and Trojans that have plagued Linux throughout the years.