diff --git a/snippets/network-port-table.md b/snippets/network-port-table.md
index 8ba0c864..9c60c64c 100644
--- a/snippets/network-port-table.md
+++ b/snippets/network-port-table.md
@@ -1,14 +1,15 @@
-| Service              | Direction       | Hosts            | Network | Port(s)                         | Protocol(s)             |
-|----------------------|-----------------|------------------|---------|---------------------------------|-------------------------|
-| ICMP                 | egress          | control          | Control | -                               | ICMP                    |
-| storage-node-api     | egress          | storage          | Control | 5000                            | TCP                     |
-| NVMf (client-target) | egress          | client           | Storage | 4420-4499                       | TCP, UDP <sup>(1)</sup> |
-| FoundationDB         | ingress, egress | control          | Control | 4500                            | TCP                     |
-| control-plane-API    | ingress         | control          | Control | 80                              | TCP                     |
-| storage-node-RPC     | ingress, egress | storage, control | Control | 8080-9044                       | TCP                     |
-| Monitoring Stack     | ingress, egress | control          | Control | 12202, 13301, 13302, 9200, 9090 | TCP                     |
+| Service                         | Direction       | Hosts            | Network | Port(s)                         | Protocol(s)             |
+|---------------------------------|-----------------|------------------|---------|---------------------------------|-------------------------|
+| ICMP                            | egress          | control          | Control | -                               | ICMP                    |
+| storage-node-api                | egress          | storage          | Control | 5000                            | TCP                     |
+| NVMf (client-target)            | egress          | client           | Storage | 4420-4499                       | TCP, UDP <sup>(1)</sup> |
+| FoundationDB                    | ingress, egress | control          | Control | 4500                            | TCP                     |
+| control-plane-API               | ingress         | control          | Control | 80                              | TCP                     |
+| storage-node-RPC                | ingress, egress | storage, control | Control | 8080-9044                       | TCP                     |
+| Monitoring Stack <sup>(2)</sup> | ingress, egress | control          | Control | 12202, 13301, 13302, 9200, 9090 | TCP                     |
 
 <span style="font-size: 0.8em;">
 <sup>1</sup> The NVMf port range carries both transports. NVMe-oF/TCP uses it over TCP, NVMe-oF/RDMA
-over UDP. Only the protocol of the transport(s) in use has to be opened.
+over UDP. Only the protocol of the transport(s) in use has to be opened.<br>
+<sup>2</sup> The monitoring stack is optional. Its ports only have to be opened where it is deployed.
 </span>