diff --git a/aw-design-diagram/ocm-services.md b/aw-design-diagram/ocm-services.md
index 4483f910e0012e9d996ff571f0ccfa0c31b297da..a7b5c7e9fc373fef172bc7cf88dd075819eaa8cb 100644
--- a/aw-design-diagram/ocm-services.md
+++ b/aw-design-diagram/ocm-services.md
@@ -3,4 +3,6 @@
 ```mermaid
     flowchart LR
         gateway[API Gateway] -->Connection
+        subgraph test
+        end
 ```