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@@ -1,4 +1,5 @@
 This project is derived from sphereio/docker-predictionio
+The doc file of PredictionIO pointing to this repo is at http://predictionio.incubator.apache.org/community/projects/#docker-installation-for-predictionio
 
 # PredictionIO docker container
 Docker container for PredictionIO-based machine learning services