diff --git a/aw-design-diagram/onboarding.md b/aw-design-diagram/onboarding.md
index f1f3d17d3835f979efc3ead5f45570716c0c57a1..704efa00b0d920927666c080ddfe43ca6ee1feb8 100644
--- a/aw-design-diagram/onboarding.md
+++ b/aw-design-diagram/onboarding.md
@@ -43,4 +43,8 @@
         p-afj-- "Subscription Connection" -->v-afj
         end
 
+        subgraph Certifier
+        cAriesAgent["Aries Agent"]-- eIDAS VC -->a-afj
+        cAriesAgent["Aries Agent"]-- eIDAS VC -->v-afj
+        end
 ```