diff --git a/packages/@aws-cdk/aws-ecs/lib/base/base-service.ts b/packages/@aws-cdk/aws-ecs/lib/base/base-service.ts
index 0ae2dacecb485..87ba4f19f86da 100644
--- a/packages/@aws-cdk/aws-ecs/lib/base/base-service.ts
+++ b/packages/@aws-cdk/aws-ecs/lib/base/base-service.ts
@@ -664,7 +664,7 @@ export interface CloudMapOptions {
   readonly name?: string,
 
   /**
-   * The service discovery namespace created in this service.
+   * The service discovery namespace for the Cloud Map service to attach to the ECS service.
    *
    * @default - the defaultCloudMapNamespace associated to the cluster
    */