diff --git a/internal/ecsservicediscovery/README.md b/internal/ecsservicediscovery/README.md
index 97afb08563..06765f8d69 100644
--- a/internal/ecsservicediscovery/README.md
+++ b/internal/ecsservicediscovery/README.md
@@ -72,7 +72,7 @@ Sample Configuration in TOML format:
       sd_cluster_region = "us-east-2"
       sd_frequency = "15s"
       sd_result_file = "/opt/aws/amazon-cloudwatch-agent/etc/ecs_sd_targets.yaml"
-      sd_target_clusters = "EC2-Justin-Testing; Fargate-Justin-Testing"
+      sd_target_cluster = "EC2-Justin-Testing"
       [inputs.prometheus.ecs_service_discovery.docker_label]
         sd_job_name_label = "ECS_PROMETHEUS_JOB_NAME"
         sd_metrics_path_label = "ECS_PROMETHEUS_METRICS_PATH"