diff --git a/.env.example b/.env.example
index ab66b89..e386729 100644
--- a/.env.example
+++ b/.env.example
@@ -1,20 +1,71 @@
+# --- Docker Compose Settings ---
+# Comma-separated list of optional service profiles to enable (e.g., lidarr,sabnzbd,adguardhome)
 COMPOSE_PROFILES=
+# Path separator for COMPOSE_FILE (use ';' for Windows)
 COMPOSE_PATH_SEPARATOR=:
+# Colon-separated list of compose files to use. Allows extending the base configuration.
 COMPOSE_FILE=docker-compose.yml:adguardhome/docker-compose.yml:tandoor/docker-compose.yml:joplin/docker-compose.yml:homeassistant/docker-compose.yml:immich/docker-compose.yml
+
+# --- Core System Settings ---
+# Linux User ID. Find yours with `id -u`. Crucial for file permissions.
 USER_ID=1000
+# Linux Group ID. Find yours with `id -g`. Crucial for file permissions.
 GROUP_ID=1000
+# Your local timezone (e.g., America/New_York, Europe/London, Asia/Manila). See: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
 TIMEZONE="America/New_York"
+
+# --- Host Paths ---
+# Base directory on host for storing service configuration files. '.' stores them in subdirectories within the project folder.
 CONFIG_ROOT="."
+# Main directory on host containing media libraries (movies, TV, music, books).
 DATA_ROOT="/mnt/data"
+# Directory on host for download clients (qBittorrent/SABnzbd). Should be on the same filesystem as DATA_ROOT for hardlinks.
 DOWNLOAD_ROOT="/mnt/data/torrents"
+# Upload location for Immich (if profile enabled)
 IMMICH_UPLOAD_LOCATION="/mnt/data/photos"
-HOMEASSISTANT_HOSTNAME=
-IMMICH_HOSTNAME=
-ADGUARD_HOSTNAME=
-ADGUARD_USERNAME=
-ADGUARD_PASSWORD=
+
+# --- Tailscale Settings ---
+# Required. Auth key from Tailscale Admin Console (Settings > Keys). Use a reusable or ephemeral key.
+TAILSCALE_AUTHKEY=
+# Desired hostname for this NAS within your Tailscale network.
+TAILSCALE_HOSTNAME=tailscale-nas
+# Required. Your Tailnet domain (e.g., your-tailnet-name.ts.net).
+TAILSCALE_TAILNET_DOMAIN=your-tailnet.ts.net
+# Optional tags to apply to the Tailscale node (e.g., tag:nas).
+TAILSCALE_TAGS=tag:nas
+# Enable Tailscale Funnel (public access) for HTTPS? Set to 'true' or 'false'. 'false' uses Serve (Tailnet only, recommended).
+ENABLE_FUNNEL_HTTPS=false
+
+# --- Primary Hostname ---
+# Primary hostname used by Traefik for routing. Derived from Tailscale settings by default.
+HOSTNAME=${TAILSCALE_HOSTNAME}.${TAILSCALE_TAILNET_DOMAIN}
+
+# --- Application Credentials ---
+# qBittorrent Web UI Credentials (change default!)
 QBITTORRENT_USERNAME=admin
 QBITTORRENT_PASSWORD=adminadmin
+# Calibre-Web Credentials (if profile enabled)
+CALIBRE_USERNAME=admin
+CALIBRE_PASSWORD=admin123
+# Immich Database Password (if profile enabled)
+IMMICH_DB_PASSWORD=postgres
+
+# --- Homepage Settings ---
+HOMEPAGE_VAR_TITLE="Docker-Compose NAS"
+HOMEPAGE_VAR_SEARCH_PROVIDER=google
+HOMEPAGE_VAR_HEADER_STYLE=boxed
+# Weather Widget (Optional)
+HOMEPAGE_VAR_WEATHER_CITY=
+HOMEPAGE_VAR_WEATHER_LAT=
+HOMEPAGE_VAR_WEATHER_LONG=
+HOMEPAGE_VAR_WEATHER_UNIT=metric
+# Homepage Basic Authentication (Optional) - Generate hash with htpasswd (e.g., `htpasswd -nb user password`)
+# See README for details. Leave blank to disable auth.
+HOMEPAGE_AUTH_USER=
+HOMEPAGE_AUTH_HASH=
+
+# --- API Keys & Integration Tokens (Optional - Mainly for Homepage Widgets) ---
+# Find API keys within each application's settings (usually Settings > General or Security)
 SONARR_API_KEY=
 RADARR_API_KEY=
 LIDARR_API_KEY=
@@ -25,16 +76,12 @@ JELLYSEERR_API_KEY=
 SABNZBD_API_KEY=
 IMMICH_API_KEY=
 HOMEASSISTANT_ACCESS_TOKEN=
-HOMEPAGE_VAR_TITLE="Docker-Compose NAS"
-HOMEPAGE_VAR_SEARCH_PROVIDER=google
-HOMEPAGE_VAR_HEADER_STYLE=boxed
-HOMEPAGE_VAR_WEATHER_CITY=
-HOMEPAGE_VAR_WEATHER_LAT=
-HOMEPAGE_VAR_WEATHER_LONG=
-HOMEPAGE_VAR_WEATHER_UNIT=metric
-IMMICH_DB_PASSWORD=postgres
-CALIBRE_USERNAME=admin
-CALIBRE_PASSWORD=admin123
+# AdGuard Home Credentials (if profile enabled)
+ADGUARD_USERNAME=
+ADGUARD_PASSWORD=
+
+# --- Optional Service Settings ---
+# Decluttarr Settings (if profile enabled)
 DECLUTTARR_TEST_RUN=True
 DECLUTTARR_REMOVE_TIMER=60
 DECLUTTARR_REMOVE_FAILED=True
@@ -43,12 +90,8 @@ DECLUTTARR_REMOVE_METADATA_MISSING=True
 DECLUTTARR_REMOVE_MISSING_FILES=True
 DECLUTTARR_REMOVE_ORPHANS=True
 
-# --- Tailscale Settings ---
-TAILSCALE_AUTHKEY=
-TAILSCALE_HOSTNAME=tailscale-nas
-TAILSCALE_TAILNET_DOMAIN=your-tailnet.ts.net
-TAILSCALE_TAGS=tag:nas
-# Enable Tailscale Funnel (public access) for HTTPS? Set to 'true' or 'false'.
-ENABLE_FUNNEL_HTTPS=false
-
-HOSTNAME=${TAILSCALE_HOSTNAME}.${TAILSCALE_TAILNET_DOMAIN}
\ No newline at end of file
+# --- Other Hostnames (Optional Services) ---
+# Set these if you need specific hostnames for these services (e.g., for Home Assistant integrations)
+HOMEASSISTANT_HOSTNAME=
+IMMICH_HOSTNAME=
+ADGUARD_HOSTNAME=