diff --git a/aw-design-diagram/ocm-services.md b/aw-design-diagram/ocm-services.md
index a7b5c7e9fc373fef172bc7cf88dd075819eaa8cb..ffbf1baea6057edae44cb8452b603ed84db6edd6 100644
--- a/aw-design-diagram/ocm-services.md
+++ b/aw-design-diagram/ocm-services.md
@@ -4,5 +4,9 @@
     flowchart LR
         gateway[API Gateway] -->Connection
         subgraph test
+        service1 --> service2
+        subgraph subgraph
+        subgraph2-->subgraph1
+        end
         end
 ```