diff --git a/README.md b/README.md
index e04c889..505210c 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ Example Voting App
 
 This is an example Docker app with multiple services. It is run with Docker Compose and uses Docker Networking to connect containers together.
 
+More info at https://blog.docker.com/2015/11/docker-toolbox-compose/
+
 
 Running
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