diff --git a/free-programming-books-ko.md b/free-programming-books-ko.md
index 54784983558eb4441fec35bff7fb8fa15d55bd92..bd29b890de35d95f1db63c1a2dfe685c1d3d12b5 100644
--- a/free-programming-books-ko.md
+++ b/free-programming-books-ko.md
@@ -61,6 +61,7 @@
 ### R
 
 * [R을 이용한 데이터 처리 & 분석 실무](http://r4pda.co.kr) - 서민구 (HTML, PDF - 이전 버젼)
+* [The R Manuals (translated in Korean)](http://www.openstatistics.net)
 
 
 ### Ruby