diff --git a/os/booting-on-ec2.md b/os/booting-on-ec2.md
index d8f14b50b..5e93dd9aa 100644
--- a/os/booting-on-ec2.md
+++ b/os/booting-on-ec2.md
@@ -265,22 +265,22 @@ First we need to create a security group to allow Container Linux instances to c
         </li>
         <li>
           Use <a href="provisioning.md">ct</a> to convert the following configuration into an Ignition config, and back in the EC2 dashboard, paste it into the "User Data" field.
-          ```yaml container-linux-config:ec2
-          etcd:
-            # All options get passed as command line flags to etcd.
-            # Any information inside curly braces comes from the machine at boot time.
-          
-            # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
-            advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
-            initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
-            # listen on both the official ports and the legacy ports
-            # legacy ports can be omitted if your application doesn't depend on them
-            listen_client_urls:          "http://0.0.0.0:2379"
-            listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
-            # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
-            # specify the initial size of your cluster with ?size=X
-            discovery:                   "https://discovery.etcd.io/<token>"
-          ```
+```yaml container-linux-config:ec2
+etcd:
+  # All options get passed as command line flags to etcd.
+  # Any information inside curly braces comes from the machine at boot time.
+
+  # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
+  advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
+  initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
+  # listen on both the official ports and the legacy ports
+  # legacy ports can be omitted if your application doesn't depend on them
+  listen_client_urls:          "http://0.0.0.0:2379"
+  listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
+  # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
+  # specify the initial size of your cluster with ?size=X
+  discovery:                   "https://discovery.etcd.io/<token>"
+```
           <ul>
             <li>Paste configuration into "User Data"</li>
             <li>"Continue"</li>
@@ -339,22 +339,22 @@ First we need to create a security group to allow Container Linux instances to c
         </li>
         <li>
           Use <a href="provisioning.md">ct</a> to convert the following configuration into an Ignition config, and back in the EC2 dashboard, paste it into the "User Data" field.
-          ```yaml container-linux-config:ec2
-          etcd:
-            # All options get passed as command line flags to etcd.
-            # Any information inside curly braces comes from the machine at boot time.
-          
-            # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
-            advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
-            initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
-            # listen on both the official ports and the legacy ports
-            # legacy ports can be omitted if your application doesn't depend on them
-            listen_client_urls:          "http://0.0.0.0:2379"
-            listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
-            # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
-            # specify the initial size of your cluster with ?size=X
-            discovery:                   "https://discovery.etcd.io/<token>"
-          ```
+```yaml container-linux-config:ec2
+etcd:
+  # All options get passed as command line flags to etcd.
+  # Any information inside curly braces comes from the machine at boot time.
+
+  # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
+  advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
+  initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
+  # listen on both the official ports and the legacy ports
+  # legacy ports can be omitted if your application doesn't depend on them
+  listen_client_urls:          "http://0.0.0.0:2379"
+  listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
+  # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
+  # specify the initial size of your cluster with ?size=X
+  discovery:                   "https://discovery.etcd.io/<token>"
+```
           <ul>
             <li>Paste configuration into "User Data"</li>
             <li>"Continue"</li>
@@ -413,22 +413,22 @@ First we need to create a security group to allow Container Linux instances to c
         </li>
         <li>
           Use <a href="provisioning.md">ct</a> to convert the following configuration into an Ignition config, and back in the EC2 dashboard, paste it into the "User Data" field.
-          ```yaml container-linux-config:ec2
-          etcd:
-            # All options get passed as command line flags to etcd.
-            # Any information inside curly braces comes from the machine at boot time.
-          
-            # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
-            advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
-            initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
-            # listen on both the official ports and the legacy ports
-            # legacy ports can be omitted if your application doesn't depend on them
-            listen_client_urls:          "http://0.0.0.0:2379"
-            listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
-            # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
-            # specify the initial size of your cluster with ?size=X
-            discovery:                   "https://discovery.etcd.io/<token>"
-          ```
+```yaml container-linux-config:ec2
+etcd:
+  # All options get passed as command line flags to etcd.
+  # Any information inside curly braces comes from the machine at boot time.
+
+  # multi_region and multi_cloud deployments need to use {PUBLIC_IPV4}
+  advertise_client_urls:       "http://{PRIVATE_IPV4}:2379"
+  initial_advertise_peer_urls: "http://{PRIVATE_IPV4}:2380"
+  # listen on both the official ports and the legacy ports
+  # legacy ports can be omitted if your application doesn't depend on them
+  listen_client_urls:          "http://0.0.0.0:2379"
+  listen_peer_urls:            "http://{PRIVATE_IPV4}:2380"
+  # generate a new token for each unique cluster from https://discovery.etcd.io/new?size=3
+  # specify the initial size of your cluster with ?size=X
+  discovery:                   "https://discovery.etcd.io/<token>"
+```
           <ul>
             <li>Paste configuration into "User Data"</li>
             <li>"Continue"</li>