diff --git a/diagrams/ced-k3s-from-text.txt b/diagrams/ced-k3s-from-text.txt
index 1723323..59aab16 100644
--- a/diagrams/ced-k3s-from-text.txt
+++ b/diagrams/ced-k3s-from-text.txt
@@ -1,41 +1,42 @@
 # Ced's K3s HomeLab (for draw.io text import)
 
-
+# Note: All IP addresses have been replaced with placeholders for security.
+# Substitute your own values before importing or sharing this diagram.
 
 Ced HomeLab
-  VLAN 10.10.30.0/24
-    UniFi Dream Router (10.10.30.1)
-    Proxmox VE (10.10.30.250)
-    MetalLB VIPs (10.10.30.251-254)
+  VLAN <homelab-vlan-subnet>
+    UniFi Dream Router (<gateway-ip>)
+    Proxmox VE (<proxmox-host-ip>)
+    MetalLB VIPs (<metallb-pool-range>)
 
 Control Plane (Raspberry Pi)
-  k3s-django-1 (10.10.30.72) [control-plane, etcd]
-  k3s-django-2 (10.10.30.245) [control-plane, etcd]
-  k3s-django-3 (10.10.30.128) [control-plane, etcd]
+  k3s-django-1 (<control-plane-ip-1>) [control-plane, etcd]
+  k3s-django-2 (<control-plane-ip-2>) [control-plane, etcd]
+  k3s-django-3 (<control-plane-ip-3>) [control-plane, etcd]
 
 Ingress Nodes
-  k3s-node-1 (10.10.30.219) [ingress-node=true]
-  k3s-node-2 (10.10.30.134) [ingress-node=true]
-  k3s-node-3 (10.10.30.222) [ingress-node=true]
+  k3s-node-1 (<ingress-node-ip-1>) [ingress-node=true]
+  k3s-node-2 (<ingress-node-ip-2>) [ingress-node=true]
+  k3s-node-3 (<ingress-node-ip-3>) [ingress-node=true]
 
 Data Nodes
-  k3s-node-4 (10.10.30.126) [data-node=true]
-  k3s-node-5 (10.10.30.239) [data-node=true]
-  k3s-node-6 (10.10.30.208) [data-node=true]
+  k3s-node-4 (<data-node-ip-1>) [data-node=true]
+  k3s-node-5 (<data-node-ip-2>) [data-node=true]
+  k3s-node-6 (<data-node-ip-3>) [data-node=true]
 
 Monitoring Nodes
-  k3s-node-7 (10.10.30.198) [monitoring-node=true]
-  k3s-node-8 (10.10.30.216) [monitoring-node=true]
-  k3s-node-9 (10.10.30.29)  [monitoring-node=true]
+  k3s-node-7 (<monitoring-node-ip-1>) [monitoring-node=true]
+  k3s-node-8 (<monitoring-node-ip-2>) [monitoring-node=true]
+  k3s-node-9 (<monitoring-node-ip-3>) [monitoring-node=true]
 
 Kubernetes Services
   MetalLB (L2)
-    IPAddressPool: 10.10.30.251-10.10.30.254
+    IPAddressPool: <metallb-pool-range>
   ingress-nginx
-    Service: LoadBalancer → MetalLB VIP (e.g. 10.10.30.251)
+    Service: LoadBalancer → MetalLB VIP (<metallb-vip>)
   kube-prometheus-stack (Ced's NOC)
     Prometheus
     Alertmanager
     Grafana (LoadBalancer via MetalLB)
   Demo nginx app
-    Ingress: demo.local → ingress-nginx → demo-nginx Service
+    Ingress: demo.local → ingress nginx → demo-nginx Service
\ No newline at end of file