diff --git a/R-package/demo/README.md b/R-package/demo/README.md
index dd0261d4e..5f2625b9f 100644
--- a/R-package/demo/README.md
+++ b/R-package/demo/README.md
@@ -13,7 +13,7 @@ Benchmarks
 
 R language Demo
 ====
-R demo are contained in the [R package source code](https://github.com/pommedeterresautee/xgboost/tree/master/R-package/demo) as usually done in R.
+R demo code are contained in the [R package source code](https://github.com/pommedeterresautee/xgboost/tree/master/R-package/demo) as usually done in R.
 
  
 Notes