diff --git a/frontend/public/json/openwrt.json b/frontend/public/json/openwrt.json
index 4d6f6d6f22..013fdd3039 100644
--- a/frontend/public/json/openwrt.json
+++ b/frontend/public/json/openwrt.json
@@ -32,5 +32,10 @@
     "username": null,
     "password": null
   },
-  "notes": []
+  "notes": [
+    {
+      "text": "If you use VLANs (default LAN is set to VLAN 999), make sure the Proxmox Linux Bridge is configured as VLAN-aware, otherwise the VM may fail to start.",
+      "type": "info"
+    }
+  ]
 }