diff --git a/.env.example b/.env.example
index 991adf1..010ae42 100644
--- a/.env.example
+++ b/.env.example
@@ -3,8 +3,17 @@ BITCOIN_RPC_USER=
 BITCOIN_RPC_PASSWORD=
 BITCOIN_RPC_PORT=8332
 BITCOIN_RPC_TIMEOUT=10000
+
+#statum port
 PORT=3333
+
+#optional telegram bot
 TELEGRAM_BOT_TOKEN=
+
+#optional discord bot
 DISCORD_BOT_CLIENTID=
 DISCORD_BOT_GUILD_ID=
 DISCORD_BOT_CHANNEL_ID=
+
+DEV_FEE_ADDRESS=
+NETWORK=mainnet
\ No newline at end of file