diff --git a/controllers/gce/README.md b/controllers/gce/README.md
index 78bfa52ae..e1c9129ac 100644
--- a/controllers/gce/README.md
+++ b/controllers/gce/README.md
@@ -390,7 +390,7 @@ metadata:
   name: no-rules-map
 spec:
   tls:
-    secretName: testsecret
+  - secretName: testsecret
   backend:
     serviceName: s1
     servicePort: 80