diff --git a/README.md b/README.md
index 67cb2e7..3a69057 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ module "eks_observability_accelerator" {
   # prevents creation of a new AMG workspace
   enable_managed_grafana       = false
 
-  managed_grafana_workspace_id = 'g-abcdef123'
+  managed_grafana_workspace_id = "g-abcdef123"
   grafana_api_key              = var.grafana_api_key
 }
 ```