diff --git a/README.md b/README.md
index 75f003b..f2b7918 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,6 @@ Join discussion at [#20](https://github.com/996icu/996.ICU/issues/20).
 
 # Contribution
 
-Any modification to [this](https://github.com/996icu/996.ICU/blob/master/zh_CN.md) file will be rendered and published on the site regularly. 
+Any modification to [this](https://github.com/996icu/996.ICU/blob/master/zh_CN.md) file will be rendered as github flavored markdown and published on the site regularly. 
+
+Feel free to adjust format, add content or fix grammar.