diff --git a/.env.example b/.env.example
index e8b27fa..0a5c336 100644
--- a/.env.example
+++ b/.env.example
@@ -1,49 +1,64 @@
-UVICORN_HOST = "0.0.0.0"
-UVICORN_PORT = 8000
+# Marzneshin Environment Variables
 
-## THE FOLLOWING TWO VARIABLES ARE NOT SUPPORTED ANYMORE, USE merzneshin cli.
-# SUDO_USERNAME = "admin"
-# SUDO_PASSWORD = "admin"
+## Deprecated
+# THE FOLLOWING TWO VARIABLES ARE NOT SUPPORTED ANYMORE, USE merzneshin cli.
+# SUDO_USERNAME="admin"
+# SUDO_PASSWORD="admin"
 
-# DASHBOARD_PATH = "/dashboard/"
+## Server Configuration
+UVICORN_HOST="0.0.0.0"
+UVICORN_PORT=8000
+# UVICORN_UDS="/run/marzneshin.socket"
+# UVICORN_SSL_CERTFILE="/var/lib/marzneshin/certs/example.com/fullchain.pem"
+# UVICORN_SSL_KEYFILE="/var/lib/marzneshin/certs/example.com/key.pem"
 
-# UVICORN_UDS: "/run/marzneshin.socket"
-# UVICORN_SSL_CERTFILE = "/var/lib/marzneshin/certs/example.com/fullchain.pem"
-# UVICORN_SSL_KEYFILE = "/var/lib/marzneshin/certs/example.com/key.pem"
+## Dashboard
+# DASHBOARD_PATH="/dashboard/"
 
+## Database
+# SQLALCHEMY_DATABASE_URL="sqlite:///db.sqlite3"
+# SQLALCHEMY_CONNECTION_POOL_SIZE=10
+# SQLALCHEMY_CONNECTION_MAX_OVERFLOW=-1
 
-# SUBSCRIPTION_URL_PREFIX = "https://example.com"
+## Subscription
+# SUBSCRIPTION_URL_PREFIX="https://example.com"
 
+## Authentication
+# JWT_ACCESS_TOKEN_EXPIRE_MINUTES=1440
+# AUTH_GENERATION_ALGORITHM=xxh128
 
-# TELEGRAM_API_TOKEN = 123456789:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-# TELEGRAM_ADMIN_ID = 987654321, 123456789
-# TELEGRAM_LOGGER_CHANNEL_ID = -1234567890123
-# TELEGRAM_PROXY_URL = "http://localhost:8080"
+## Telegram Bot
+# TELEGRAM_API_TOKEN="123456789:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+# TELEGRAM_ADMIN_ID="987654321, 123456789"
+# TELEGRAM_LOGGER_CHANNEL_ID=-1234567890123
+# TELEGRAM_PROXY_URL="http://localhost:8080"
 
-# DISCORD_WEBHOOK_URL = "https://discord.com/api/webhooks/xxxxxxx"
+## Webhook
+# WEBHOOK_ADDRESS="http://127.0.0.1:9000/"
+# WEBHOOK_SECRET="something-very-very-secret"
 
+## Custom Templates
 # CUSTOM_TEMPLATES_DIRECTORY="/var/lib/marzneshin/templates/"
+# HOME_PAGE_TEMPLATE="home/index.html"
+# SUBSCRIPTION_PAGE_TEMPLATE="subscription/index.html"
 # CLASH_SUBSCRIPTION_TEMPLATE="/var/lib/marzneshin/templates/clash.yml"
 # SINGBOX_SUBSCRIPTION_TEMPLATE="/var/lib/marzneshin/templates/sing-box.json"
 # XRAY_SUBSCRIPTION_TEMPLATE="/var/lib/marzneshin/templates/xray.json"
-# SUBSCRIPTION_PAGE_TEMPLATE="subscription/index.html"
-# HOME_PAGE_TEMPLATE="home/index.html"
-
-# SQLALCHEMY_DATABASE_URL = "sqlite:///db.sqlite3"
-# SQLALCHEMY_CONNECTION_POOL_SIZE = 10
-# SQLALCHEMY_CONNECTION_MAX_OVERFLOW = -1
-
-### for developers
-# DOCS=true
-# DEBUG=true
-# WEBHOOK_ADDRESS = "http://127.0.0.1:9000/"
-# WEBHOOK_SECRET = "something-very-very-secret"
-# VITE_BASE_API="https://example.com/api/"
-# JWT_ACCESS_TOKEN_EXPIRE_MINUTES = 1440
-# AUTH_GENERATION_ALGORITHM=xxh128
 
-## Scheduled Tasks Interval in Seconds
+## Scheduled Tasks Interval (in seconds)
 # TASKS_RECORD_USER_USAGES_INTERVAL=30
 # TASKS_REVIEW_USERS_INTERVAL=30
 # TASKS_EXPIRE_DAYS_REACHED_INTERVAL=30
 # TASKS_RESET_USER_DATA_USAGE=3600
+# DISABLE_RECORDING_NODE_USAGE=false
+
+## Recurrent Notifications
+# RECURRENT_NOTIFICATIONS_TIMEOUT=180
+# NUMBER_OF_RECURRENT_NOTIFICATIONS=3
+# NOTIFY_REACHED_USAGE_PERCENT=80
+# NOTIFY_DAYS_LEFT=3
+
+## For Developers
+# DEBUG=true
+# DOCS=true
+# VITE_BASE_API="https://example.com/api/"