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diff --git a/SUMMARY.md b/SUMMARY.md
index 12dac0f..58affdd 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -20,7 +20,7 @@
* [Proxy protocol](index/configurations/listen/proxy-protocol.md)
* [IP Access](index/configurations/listen/ip-access.md)
* [Gateway identifiers](index/configurations/listen/gateway-identifiers.md)
- * [Upnp Nat](index/configurations/listen/upnp-nat.md)
+ * [UPnP Nat](index/configurations/listen/upnp-nat.md)
* [Domains](index/configurations/domains/README.md)
* [DynDns Clients](index/configurations/domains/dyndns-clients.md)
* [Own DNS Server](index/configurations/domains/own-dns-server.md)
diff --git a/index/configurations/listen/upnp-nat.md b/index/configurations/listen/upnp-nat.md
index 0858e55..7052b7a 100644
--- a/index/configurations/listen/upnp-nat.md
+++ b/index/configurations/listen/upnp-nat.md
@@ -2,22 +2,45 @@
description: Automatic port forwarding
---
-# Upnp Nat
+# UPnP Nat
-Upnp Nat Client helps to automatically enable port forwarding depending on the network ([gateway identifiers](gateway-identifiers.md)) on the router.
+UPnP Nat Client helps to automatically enable port forwarding depending on the network ([gateway identifiers](gateway-identifiers.md)) on the router.
{% hint style="info" %}
-Upnp-Nat must be activated on the router. With the Fritzbox you have to allow Upnp-Nat for a host device.
+Upnp-Nat must be activated on the router. With the Fritzbox you have to allow UPnP-Nat for a host device.
{% endhint %}
+## List
+
+All port forwarding can be seen in the list, per [Gateway identifiers](gateway-identifiers.md) and [Listen](./)/port.
+
+
+
+1. Adds a new port forwarding for UPnP Nat.
+2. Entries for UPnP Nat.
+
+#### Status
+
+Gray status shows that we are not currently in the gateway, these port forwarding are being ignored.
+
+A red status indicates that port forwarding could not be set up automatically. This could be a problem with:
+
+{% hint style="danger" %}
+* UPnP Nat is not active on the router
+* The device does not have permission for UPnP Nat. (e.g. Fritzbox)
+* The port is already taken and cannot be released again.
+{% endhint %}
+
+The green status indicates that port sharing has been set up.
+
## Add
-Adds upnp-nat port forwarding:
+Adds UPnP Nat port forwarding:
1. **Gateway network assignment**: Select your gateway. The gateways of "[Gateway identifiers](gateway-identifiers.md)" are displayed here.
-2. **Gateway address**: Enter the IP address of the gateway (router) on which UpnpNat is requested.
+2. **Gateway address**: Enter the IP address of the gateway (router) on which UPnP Nat is requested.
3. **Public port**: Port that is opened to the Internet.
4. **Client address**: Enter the target IP address here. If it is FlyingFish and not another application from another system, you can simply use the "Use Host address by DHCP".
@@ -29,3 +52,7 @@ When activating "Use Host address by DHCP" the host's IP, which it received as a
6. **TTL**: The time (in seconds) for how long the [port forwarding](port-forwarding.md) requested by the client is valid. Default is 36000 seconds.
7. **Protocol**: What protocol is used for [port forwarding](port-forwarding.md)? The router then only passes on this protocol. TCP and UDP can be selected.
8. **Description**: Description for [port forwarding](port-forwarding.md).
+
+
+
+
