diff --git a/modules/net-vpc/README.md b/modules/net-vpc/README.md
index 0941302b5..309ab674a 100644
--- a/modules/net-vpc/README.md
+++ b/modules/net-vpc/README.md
@@ -255,7 +255,7 @@ iam_users: ["foobar@example.com"] # grant compute/networkUser to users
 iam_groups: ["lorem@example.com"] # grant compute/networkUser to groups
 iam_service_accounts: ["fbz@prj.iam.gserviceaccount.com"]
 secondary_ip_ranges:              # map of secondary ip ranges
-  - secondary-range-a: 192.168.0.0/24
+  secondary-range-a: 192.168.0.0/24
 flow_logs:                        # enable, set to empty map to use defaults
   - aggregation_interval: "INTERVAL_5_SEC"
   - flow_sampling: 0.5