Changes to normative statements

index.html

@@ -204,6 +204,15 @@ <h2>Securing the VC Data Model</h2>
       transformation, while at the same time supporting registered 
       claims that are understood in the context of JOSE and COSE.
     </p>
+    <p>
+      It is RECOMMENDED using media types to distinguish <a data-cite="VC-DATA-MODEL#credentials">verifiable credentials</a>, 
+      and <a data-cite="VC-DATA-MODEL#presentations">verifiable presentations</a> from other kinds of secured JSON or CBOR. 
+    </p>
+    <p>
+      If a more specific media type is available, it SHOULD be used over the generic media types.
+      For example, instead of using <code>application/sd-jwt</code>, use <code>application/vc+ld+json+sd-jwt</code>, 
+      unless there is a more specific media type that can be used to better identify the secured envelope format.
+    </p>
     <section>
       <h2>With JOSE</h2>
       <section>