diff --git a/docs/openapi/components/schemas/credentials/USMCACertificationOfOrigin.yml b/docs/openapi/components/schemas/credentials/USMCACertificationOfOrigin.yml
index 06a38f0bb..7fca7b6e2 100644
--- a/docs/openapi/components/schemas/credentials/USMCACertificationOfOrigin.yml
+++ b/docs/openapi/components/schemas/credentials/USMCACertificationOfOrigin.yml
@@ -74,6 +74,11 @@ properties:
           type: string
           enum:
             - Person
+        id: 
+          title: Identifier
+          description: Identifier of the issuer such as a url or DID
+          type: string
+          format: uri
       firstName:
         title: First Name
         description: Person's first name.