HTTP API reference: a follow-up to #13037

(cherry picked from commit 9b1422e)

Author: michaelklishin

deps/rabbitmq_management/priv/www/api/index.html

@@ -1067,7 +1067,7 @@ <h2>Reference</h2>
             This health assumes that
 
             <ul>
-              <li>All certificates included in the PEM bundles on the nodes are relevant to RabbitMQ clients</li>
+              <li>All certificates included in the PEM bundles on the nodes are relevant to RabbitMQ clients, plugins or encrypted inter-node communication</li>
               <li>Expired certificates is not a normal operating condition and any expired certificate found must be reported with a check failure</li>
             </ul>
 
@@ -1079,7 +1079,7 @@ <h2>Reference</h2>
             will be the next two months.
           </p>
           <p>
-            Relevant documentation guide: <a href="https://www.rabbitmq.com/docs/tls">TLS</a>
+            Relevant documentation guides: <a href="https://www.rabbitmq.com/docs/tls">TLS</a>, <a href="https://www.rabbitmq.com/docs/clustering-ssl">Encrypted Inter-node Communication</a></li>
           </p>
         </td>
       </tr>