diff --git a/aw-design-diagram/onboarding.md b/aw-design-diagram/onboarding.md
index 816e168a9a64756d5827fe88630ebb08a095b8e3..edb85d7634098277cddaab84562a10b73e3d346f 100644
--- a/aw-design-diagram/onboarding.md
+++ b/aw-design-diagram/onboarding.md
@@ -1,5 +1,5 @@
 # Onboarding Diagram
-
+```mermaid
     flowchart LR
         subgraph AA["Authentication & Authorization"]
         g-reg["Registration"]
@@ -46,3 +46,4 @@
         p-afj["Mobile Aries Agent"]-- "Registration connection" -->AISBL
         p-afj-- "Subscription Connection" -->v-afj
         end
+```