diff --git a/docs/novnc_proxy.1 b/docs/novnc_proxy.1
index 78f06355..259e1b41 100644
--- a/docs/novnc_proxy.1
+++ b/docs/novnc_proxy.1
@@ -9,7 +9,7 @@ Starts the WebSockets proxy and a mini-webserver and
 provides a cut-and-paste URL to go to.
 
     --listen [HOST:]PORT  Port for proxy/webserver to listen on
-                          Default: 6080
+                          Default: 6080 (on all interfaces)
     --vnc VNC_HOST:PORT   VNC server host:port proxy target
                           Default: localhost:5900
     --cert CERT           Path to combined cert/key file, or just
diff --git a/utils/novnc_proxy b/utils/novnc_proxy
index d5b17dd0..9d2ae002 100755
--- a/utils/novnc_proxy
+++ b/utils/novnc_proxy
@@ -14,7 +14,7 @@ usage() {
     echo "provides a cut-and-paste URL to go to."
     echo
     echo "    --listen [HOST:]PORT  Port for proxy/webserver to listen on"
-    echo "                          Default: 6080"
+    echo "                          Default: 6080 (on all interfaces)"
     echo "    --vnc VNC_HOST:PORT   VNC server host:port proxy target"
     echo "                          Default: localhost:5900"
     echo "    --cert CERT           Path to combined cert/key file, or just"