[PATCH docs] sdn: update wireguard node endpoint port docs

[Gabriel Goller <g.goller@proxmox.com>]

The endpoint parameter was split into the endpoint and endpoint port.
Update the docs.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
---
 pvesdn.adoc | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/pvesdn.adoc b/pvesdn.adoc
index fb368317bd41..8b722838387a 100644
--- a/pvesdn.adoc
+++ b/pvesdn.adoc
@@ -883,8 +883,11 @@ definitions that can be used across the whole cluster.
 .Internal
 
 Endpoint:: This is the IP or hostname that other Proxmox VE nodes should use for
-connecting to this Proxmox VE node. This is used as the endpoint when
-configuring this Proxmox VE node as a peer.
+connecting to this Proxmox VE node. This is used together with the endpoint port
+when configuring this Proxmox VE node as a peer.
+
+Endpoint Port:: This is the UDP port that other Proxmox VE nodes should use for
+connecting to this Proxmox VE node. If unset, it defaults to `51820`.
 
 Allowed IPs:: A comma-separated list of CIDRs (for example `198.51.100.0/24`,
 or `0.0.0.0/0` to tunnel all IPv4 traffic). When selecting this node as a peer
@@ -898,8 +901,11 @@ Name:: The name of the external node.
 
 Public Key:: The public key used by the external node.
 
-Endpoint:: The endpoint other nodes use to connect to this external peer, such
-as `192.0.2.1:51820`.
+Endpoint:: The IP or hostname that other nodes use to connect to this external
+peer.
+
+Endpoint Port:: The UDP port that other nodes use to connect to this external
+peer. If unset, it defaults to `51820`.
 
 Allowed IPs:: A comma-separated list of CIDRs (for example `198.51.100.0/24`,
 or `0.0.0.0/0` to tunnel all IPv4 traffic). When selecting this node as a peer
-- 
2.47.3