Polish note about varying parameters for each member

Documentation/v2/docker_guide.md

@@ -42,7 +42,7 @@ 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 the same, please note that _-name_, _-advertise-client-urls_ and _-initial-advertise-peer-urls_ differ between the cluster members!**
+**Although the following commands look very similar, note that `-name`, `-advertise-client-urls` and `-initial-advertise-peer-urls` differ for each cluster member**
 
 ### etcd0
 
@@ -93,4 +93,4 @@ Once the cluster has been bootstrapped etcd clients can be configured with a lis
 
 ```
 etcdctl -C http://192.168.12.50:2379,http://192.168.12.51:2379,http://192.168.12.52:2379 member list
-```
+```