diff --git a/sources/tech/20171221 How to create mobile-friendly documentation.md b/sources/tech/20171221 How to create mobile-friendly documentation.md
index 96d01f515a..eb1b7444d2 100644
--- a/sources/tech/20171221 How to create mobile-friendly documentation.md	
+++ b/sources/tech/20171221 How to create mobile-friendly documentation.md	
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+Translating by MjSeven
+
+
 How to create mobile-friendly documentation
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 ![配图](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/idea_innovation_mobile_phone.png?itok=RqVtvxkd)