Update ddp.md

Author: seankross

ddp.md

@@ -11,7 +11,7 @@ permalink: /ddp/
 - [Shiny app to simulate 401K growth with interactive plots](http://www.mephistosoftware.com/shiny/401k_simulator/)
 - [Shiny Video Tutorials Playlist on Youtube](http://www.youtube.com/playlist?list=PL6wLL_RojB5xNOhe2OTSd-DPkMLVY9DfB)
 - [Tutorial on writing Shiny simulation apps](https://github.com/homerhanumat/shinyTutorials)
-- [Dockerize a Shiny App](http://www.flaviobarros.net/2015/04/30/dockerizing-a-shiny-app/)
+- [Dockerize a Shiny App](http://www.rmining.net/2015/04/30/dockerizing-a-shiny-app/)
 - [Git pushing Shiny Apps with Docker/Dokku](http://www.flaviobarros.net/2015/05/11/git-pushing-shiny-apps-with-docker-dokku/)
 - [Share your Shiny Apps with Docker and Kitematic](http://www.flaviobarros.net/2015/08/10/share-your-shiny-apps-with-docker-and-kitematic/)