diff --git a/README.md b/README.md
index 39e9985..3072b10 100644
--- a/README.md
+++ b/README.md
@@ -176,13 +176,13 @@ network:
         eno3: {} # public interface (untagged)
     vlans:
         # SIP core: proxy & SBC signalling
-        vlan.6
-        id: 6
-        link: eno2
+        vlan.6:
+            id: 6
+            link: eno2
         # SIP applications (voicemail, mediaserver, class5 services)
-        vlan.9
-        id: 9
-        link: eno2
+        vlan.9:
+            id: 9
+            link: eno2
     bridges:
         br-mgmt:
             dhcp4: no