From c64e769e4c197167f3a12eef42177ad642931144 Mon Sep 17 00:00:00 2001
From: Marcos Nils <marcosnils@gmail.com>
Date: Mon, 10 Oct 2016 20:45:22 -0300
Subject: [PATCH] Add requirements

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 59ab094..8f3bd7a 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,10 @@ Under the hood DIND or Docker-in-Docker is used to give the effect of multiple V
 
 A live version is available at: http://play-with-docker.com/
 
+## Requirements
+
+Docker 1.13-dev or higher is required as **attachable** overlay networks feature is required.
+
 ## Installation
 
 Start the Docker daemon on your machine and run `docker pull docker:1.12.2-rc2-dind`.