Merge pull request #7144 from tobilarscheid/enhancement/highlight-differences-in-docker-commands

Highlight differences between example run commands in docker_guide

Documentation/v2/docker_guide.md

@@ -42,6 +42,8 @@ etcdctl -C http://192.168.12.50:4001 member list
 Using Docker to setup a multi-node cluster is very similar to the standalone mode configuration.
 The main difference being the value used for the `-initial-cluster` flag, which must contain the peer urls for each etcd member in the cluster.
 
+**Although the following commands look very similar, note that `-name`, `-advertise-client-urls` and `-initial-advertise-peer-urls` differ for each cluster member**
+
 ### etcd0
 
 ```