diff --git a/Installing-tracks-2.2-from-Docker-Index.md b/Installing-tracks-2.2-from-Docker-Index.md
index c969b4d..840ab4f 100644
--- a/Installing-tracks-2.2-from-Docker-Index.md
+++ b/Installing-tracks-2.2-from-Docker-Index.md
@@ -1,5 +1,5 @@
 ## Introduction
-Docker is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. This enables you to get. Docker can be installed easily on any major Linux flavor and run in a virtual machine on other OS.
+Docker is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. This enables you to get an instance of Tracks up and running in a short amount of time. Docker can run on any Linux flavor with a recent kernel (3.8).
 
 ## Prerequisites
 You will need a host with a running docker installation. This guide will not cover installation of docker since that i well documented other places: http://www.docker.io/gettingstarted/#h_installation