diff --git a/docs/07-bootstrapping-etcd.md b/docs/07-bootstrapping-etcd.md
index 5685e09..e586365 100644
--- a/docs/07-bootstrapping-etcd.md
+++ b/docs/07-bootstrapping-etcd.md
@@ -75,7 +75,7 @@ ExecStart=/usr/local/bin/etcd \\
   --client-cert-auth \\
   --initial-advertise-peer-urls https://${INTERNAL_IP}:2380 \\
   --listen-peer-urls https://${INTERNAL_IP}:2380 \\
-  --listen-client-urls https://${INTERNAL_IP}:2379,http://127.0.0.1:2379 \\
+  --listen-client-urls https://${INTERNAL_IP}:2379,https://127.0.0.1:2379 \\
   --advertise-client-urls https://${INTERNAL_IP}:2379 \\
   --initial-cluster-token etcd-cluster-0 \\
   --initial-cluster controller-0=https://10.240.0.10:2380,controller-1=https://10.240.0.11:2380,controller-2=https://10.240.0.12:2380 \\