diff --git a/sources/tech/20180125 Linux whereis Command Explained for Beginners (5 Examples).md b/sources/tech/20180125 Linux whereis Command Explained for Beginners (5 Examples).md
index 45107b050c..2c07001623 100644
--- a/sources/tech/20180125 Linux whereis Command Explained for Beginners (5 Examples).md	
+++ b/sources/tech/20180125 Linux whereis Command Explained for Beginners (5 Examples).md	
@@ -1,3 +1,4 @@
+translating by wenwensnow
 Linux whereis Command Explained for Beginners (5 Examples)
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