Update README.md

README.md

@@ -241,6 +241,29 @@ Let the join two more nodes to this cluster using the -C argument:
 ./etcd -c 4003 -s 7003 -C 127.0.0.1:7001 -d nod/node3
 ```
 
+Get the machines in the cluster
+
+```sh
+curl http://127.0.0.1:4001/machines
+```
+
+We should see there are three nodes in the cluster
+
+```
+0.0.0.0:7001,0.0.0.0:7002,0.0.0.0:7003
+```
+
+Also try to get the current leader in the cluster
+
+```
+curl http://127.0.0.1:4001/leader
+```
+The first server we set up should be the leader, if it has not dead during these commands.
+
+```
+0.0.0.0:7001
+```
+
 Now we can do normal SET and GET operations on keys as we explored earlier.
 
 ```sh
@@ -259,6 +282,16 @@ Let's kill the leader of the cluster and get the value from the other machine:
 curl http://127.0.0.1:4002/v1/keys/foo
 ```
 
+A new leader should have been elected.
+
+```
+curl http://127.0.0.1:4001/leader
+```
+
+```
+0.0.0.0:7002 or 0.0.0.0:7003
+```
+
 You should be able to see this:
 
 ```json