Show real IPv6 examples when available

karldns/web/templates_management.py

@@ -210,7 +210,7 @@ def _render_pending_management_page(
               <div>
                 <h2>Manual updates.</h2>
                 <p class="section-copy">Scripts can send the IP explicitly, or omit it and let KarlDNS use the request IP. Visible examples use your public IP when KarlDNS or your browser can detect it.</p>
-                {_code_window(manual_commands, copy_label="manual update commands", class_name="mt-3")}
+                {_code_window(manual_commands, copy_label="manual update commands", class_name="manual-code mt-3")}
               </div>
               <div>
                 <h2>Use your own DNS name.</h2>