diff --git a/docs/07-bootstrapping-etcd.md b/docs/07-bootstrapping-etcd.md
index 99f2c04..f75df7a 100644
--- a/docs/07-bootstrapping-etcd.md
+++ b/docs/07-bootstrapping-etcd.md
@@ -110,7 +110,7 @@ EOF
 List the etcd cluster members:
 
 ```
-sudo ETCDCTL_API=3 etcdctl member list \
+sudo etcdctl member list \
   --endpoints=https://127.0.0.1:2379 \
   --cacert=/etc/etcd/ca.pem \
   --cert=/etc/etcd/kubernetes.pem \