diff --git a/free-programming-books-ko.md b/free-programming-books-ko.md
index 883cd32f3ea53f18df8733ef6a7ccb8b1e85125f..e78433e104ae9240236936df1eac2cd8616268cb 100644
--- a/free-programming-books-ko.md
+++ b/free-programming-books-ko.md
@@ -5,7 +5,7 @@
 
 ###GIT
 * [Pro Git 한글 번역](http://git-scm.com/book/ko/)
-
+* [GitHub Flavored Markdown](https://help.github.com/articles/github-flavored-markdown)
 ###JavaScript
 
 ####Node.js