diff --git a/aw-design-diagram/create-credential-definition.md b/aw-design-diagram/create-credential-definition.md
index bb00c27b0c8325f244dec2a6cf67fba8b70a1dd1..0b40958bdb81e4f860b76cab3af09214e80ca2aa 100644
--- a/aw-design-diagram/create-credential-definition.md
+++ b/aw-design-diagram/create-credential-definition.md
@@ -1,3 +1,4 @@
+```mermaid
 sequenceDiagram
 participant OCM Admin
 participant OCM Attestation Manager
@@ -5,3 +6,4 @@ participant OCM Attestation Manager
   OCM Admin ->> OCM Attestation Manager: Calls the POST method credentialDef with relevant attributes.
   OCM Attestation Manager ->> OCM Admin: Responds with status code 201, with message 'Credential definition created successfully', if credential definition is created on ledger successfully
   end
+```