diff --git a/README.md b/README.md
index a9f8a32..8d5d7cf 100644
--- a/README.md
+++ b/README.md
@@ -88,12 +88,12 @@ network_interfaces: {}
 network_interfaces:
   eth0:
     bootproto: none
-    onboot: yes
+    onboot: "yes"
     hwaddr: "aa:bb:cc:dd:ee"
     ipaddr: 192.168.0.5
     prefix: 26
     gateway: "192.168.0.1"
-    userctl: no
+    userctl: "no"
 ```
 
 ### network_ipv6_enabled