README.md in percheron-0.7.7 vs README.md in percheron-0.7.8

@@ -64,18 +64,19 @@
 docker:
   host: "https://boot2docker:2376"
   ssl_verify_peer: false
 
 stacks:
-  - name: consul
+  - name: consul-stack
     units:
       - name: master
         version: 1.0.0
         docker_image: progrium/consul:latest
         start_args: "-server -bootstrap -ui-dir /ui"
         ports:
-          - "8500:8500"
+          - 8500:8500
+          - 8600:53/udp
       - name: agent
         version: 1.0.0
         docker_image: progrium/consul:latest
         start_args: "-server -join master"
         dependant_unit_names:
@@ -83,16 +84,22 @@
 ```
 
 3) Start it up!
 
 ```bash
-percheron start demo
+percheron start consul-stack
 ```
 
 4) Bring up the consul UI
 
 ```bash
 open http://boot2docker:8500/ui
+```
+
+5) Perform a DNS lookup
+
+```bash
+dig @boot2docker -p 8600 master.node.consul +short
 ```
 
 ## Demo
 
 [![asciicast](https://asciinema.org/a/19216.png)](https://asciinema.org/a/19216)