diff --git a/specs/paymentrequest.html b/specs/paymentrequest.html
index f26b3564..85bf98cc 100644
--- a/specs/paymentrequest.html
+++ b/specs/paymentrequest.html
@@ -1121,6 +1121,13 @@ <h2>User agent delegates payment request algorithm</h2>
           <a><code>abort</code></a> to account for the situation where this may fail in the <code>delegated</code>
           state.</p>
         </div>
+
+        <p class="issue" data-number="50" title="How are payment requests and responses passed between the browser and third-party native wallets?">
+          This specification should describe how the user agent will pass the 
+          payment request data and the complete signal to a native payment app 
+          and also how it will receive the payment response from the payment app.
+        </p>
+
       </section>
 
       <section>