diff --git a/cloud/ecs-integration.md b/cloud/ecs-integration.md
index 397370cad1..c5106241d2 100644
--- a/cloud/ecs-integration.md
+++ b/cloud/ecs-integration.md
@@ -370,7 +370,7 @@ services:
 secrets:
   foo:
     name: "arn:aws:secretsmanager:eu-west-3:1234:secret:foo-ABC123"
-    keys:
+    x-aws-keys:
       - "bar"
 ```