diff --git a/app/sovran_systemsos_web/server.py b/app/sovran_systemsos_web/server.py
index 8b1d4a6..b82820b 100644
--- a/app/sovran_systemsos_web/server.py
+++ b/app/sovran_systemsos_web/server.py
@@ -894,7 +894,7 @@ def _get_firewall_allowed_ports() -> dict[str, set[int]]:
 
 
 def _port_range_to_ints(port_str: str) -> list[int]:
-    """Convert a port string like ``"443"``, ``"7882-7894"`` to a list of ints."""
+    """Convert a port string like ``"443"``, ``"30000-40000"`` to a list of ints."""
     port_str = port_str.strip()
     if re.match(r'^\d+$', port_str):
         return [int(port_str)]
diff --git a/app/sovran_systemsos_web/static/onboarding.js b/app/sovran_systemsos_web/static/onboarding.js
index b6e0e7c..2b0138e 100644
--- a/app/sovran_systemsos_web/static/onboarding.js
+++ b/app/sovran_systemsos_web/static/onboarding.js
@@ -557,7 +557,7 @@ async function loadStep4() {
   html += '<thead><tr><th>Port</th><th>Protocol</th><th>Forward&nbsp;to</th><th>Purpose</th></tr></thead>';
   html += '<tbody>';
   html += '<tr><td class="port-req-port">7881</td><td class="port-req-proto">TCP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">LiveKit WebRTC signalling</td></tr>';
-  html += '<tr><td class="port-req-port">7882–7894</td><td class="port-req-proto">UDP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">LiveKit media streams</td></tr>';
+  html += '<tr><td class="port-req-port">7882</td><td class="port-req-proto">UDP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">LiveKit media (UDP mux)</td></tr>';
   html += '<tr><td class="port-req-port">5349</td><td class="port-req-proto">TCP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">TURN over TLS</td></tr>';
   html += '<tr><td class="port-req-port">3478</td><td class="port-req-proto">UDP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">TURN (STUN/relay)</td></tr>';
   html += '<tr><td class="port-req-port">30000–40000</td><td class="port-req-proto">TCP/UDP</td><td class="port-req-internal-ip">' + ip + '</td><td class="port-req-desc">TURN relay (WebRTC)</td></tr>';