diff --git a/README.md b/README.md
index a228c893a..d8b156b6a 100644
--- a/README.md
+++ b/README.md
@@ -87,16 +87,15 @@ docker run -d \
 ### With Network Discovery
 ```bash
 # Discovery runs automatically but may detect Docker's internal network
-# For proper discovery, configure subnet after first start:
-# 1. Access Pulse UI
-# 2. Edit /data/system.json and add: "discoverySubnet": "192.168.1.0/24"
-# 3. Restart container
+# Set your local subnet via environment variable:
 docker run -d \
   --name pulse \
   -p 7655:7655 \
   -v pulse_data:/data \
+  -e DISCOVERY_SUBNET="192.168.1.0/24" \
   --restart unless-stopped \
   rcourtman/pulse:latest
+# Or configure later via UI Settings or /data/system.json
 ```
 
 ### Docker Compose
@@ -110,8 +109,8 @@ services:
     volumes:
       - pulse_data:/data
     environment:
-      # Network discovery (configured via system.json after first start)
-      # Add to /data/system.json: "discoverySubnet": "192.168.1.0/24"
+      # Network discovery
+      # - DISCOVERY_SUBNET=192.168.1.0/24   # Your local subnet (default: auto-detect)
       
       # Ports
       # - PORT=7655                         # Backend port (default: 7655)
@@ -149,10 +148,6 @@ volumes:
 ```
 
 
-## PBS Agent (Push Mode)
-
-For isolated PBS servers, see [PBS Agent documentation](docs/PBS-AGENT.md)
-
 ## Security
 
 - **Authentication required** - Protects your Proxmox infrastructure credentials
@@ -385,7 +380,6 @@ journalctl -u pulse -f
 - [API Reference](docs/API.md) - REST API endpoints and examples
 - [Webhook Guide](docs/WEBHOOKS.md) - Setting up webhooks and custom payloads
 - [Reverse Proxy Setup](docs/REVERSE_PROXY.md) - nginx, Caddy, Apache, Traefik configs
-- [PBS Agent](docs/PBS-AGENT.md) - Monitoring isolated PBS servers
 - [Security](docs/SECURITY.md) - Security features and best practices
 - [FAQ](docs/FAQ.md) - Common questions and troubleshooting
 - [Migration Guide](docs/MIGRATION.md) - Backup and migration procedures
diff --git a/docs/DOCKER.md b/docs/DOCKER.md
index baa9109d3..742b5b709 100644
--- a/docs/DOCKER.md
+++ b/docs/DOCKER.md
@@ -160,7 +160,7 @@ To configure the correct subnet:
 Or set via environment:
 ```yaml
 environment:
-  PULSE_DISCOVERY_SUBNET: "192.168.1.0/24"
+  DISCOVERY_SUBNET: "192.168.1.0/24"
 ```
 
 ## Common Issues
@@ -218,7 +218,7 @@ Common problems:
 |----------|-------------|---------|
 | `PORT` | Web UI port | `7655` |
 | `ALLOWED_ORIGINS` | CORS origins | Same-origin only |
-| `PULSE_DISCOVERY_SUBNET` | Network to scan | Auto-detect |
+| `DISCOVERY_SUBNET` | Network to scan | Auto-detect |
 
 ### System
 | Variable | Description | Default |
diff --git a/docs/FAQ.md b/docs/FAQ.md
index 7c9c4f453..0d13f3b50 100644
--- a/docs/FAQ.md
+++ b/docs/FAQ.md
@@ -82,7 +82,7 @@ Reduce `metricsRetentionDays` in settings and restart
 Yes, add multiple nodes in Settings
 
 ### PBS push mode?
-Yes, use PBS agent for isolated servers. See [PBS Agent docs](PBS-AGENT.md)
+No, PBS push mode is not currently supported. PBS monitoring requires network connectivity from Pulse to the PBS server.
 
 ### Webhook providers?
 Discord, Slack, Gotify, Telegram, ntfy.sh, Teams, generic JSON