diff --git a/index.html b/index.html
index c519a3ab3..300ed818d 100644
--- a/index.html
+++ b/index.html
@@ -4132,9 +4132,14 @@ <h3>Media Type Precision</h3>
           <h2>HTTP</h2>
           <p>
 It is expected that HTTP endpoints will use the media types associated with
-<a>verifiable credentials</a> in accept headers and
+<a>verifiable credentials</a> and <a>verifiable presentations</a> in accept headers and
 when indicating content types.
           </p>
+          <p>
+Nonetheless, HTTP servers might ignore the accept header and return another content
+type, or return an error code such as <a data-cite="RFC7231#section-6.5.13"><code>415
+Unsupported Media Type</code></a>.
+          </p>
         </section>
 
         <section class="informative">