diff --git a/demo/README.md b/demo/README.md
index 6e7c86df9..bcc356712 100644
--- a/demo/README.md
+++ b/demo/README.md
@@ -12,12 +12,26 @@ This is a list of short codes introducing different functionalities of xgboost a
   [python](guide-python/basic_walkthrough.py)
   [R](../R-package/demo/basic_walkthrough.R)
   [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/basic_walkthrough.jl)
-
-* Cutomize loss function, and evaluation metric [python](guide-python/custom_objective.py)
-* Boosting from existing prediction [python](guide-python/boost_from_prediction.py)
-* Predicting using first n trees [python](guide-python/predict_first_ntree.py)
-* Generalized Linear Model [python](guide-python/generalized_linear_model.py)
-* Cross validation [python](guide-python/cross_validation.py)
+* Cutomize loss function, and evaluation metric
+  [python](guide-python/custom_objective.py)
+  [R](../R-package/demo/custom_objective.R)
+  [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/custom_objective.jl)
+* Boosting from existing prediction
+  [python](guide-python/boost_from_prediction.py)
+  [R](../R-package/demo/boost_from_prediction.R)
+  [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/boost_from_prediction.jl)
+* Predicting using first n trees 
+  [python](guide-python/predict_first_ntree.py)
+  [R](../R-package/demo/boost_from_prediction.R)
+  [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/boost_from_prediction.jl)  
+* Generalized Linear Model
+  [python](guide-python/generalized_linear_model.py)
+  [R](../R-package/demo/generalized_linear_model.R)
+  [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/generalized_linear_model.jl)  
+* Cross validation
+  [python](guide-python/cross_validation.py)
+  [R](../R-package/demo/cross_validation.R)
+  [Julia](https://github.com/antinucleon/XGBoost.jl/blob/master/demo/cross_validation.jl)  
 
 Basic Examples by Tasks
 ====