v0.4.0 release
diff --git a/README.md b/README.md
index 766cae6..f874bd5 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,14 @@
 
 ## Documentation
 
-Please refer to http://docs.prediction.io/templates/similarproduct/quickstart/
+Please refer to http://predictionio.incubator.apache.org/templates/similarproduct/quickstart/
 
 ## Versions
 
+### v0.4.0
+
+Update for Apache PredictionIO 0.10.0-incubating
+
 ### v0.3.2
 
 - Fix CooccurrenceAlgorithm with unknown item ids