diff --git a/sources/tech/2015-04-29 web caching basics terminology http headers and caching strategies.md b/sources/tech/2015-04-29 web caching basics terminology http headers and caching strategies.md
index df0eb8b723..07fd4fcd42 100644
--- a/sources/tech/2015-04-29 web caching basics terminology http headers and caching strategies.md	
+++ b/sources/tech/2015-04-29 web caching basics terminology http headers and caching strategies.md	
@@ -1,3 +1,5 @@
+translating by wwy-hust
+
 Web Caching Basics: Terminology, HTTP Headers, and Caching Strategies
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