diff --git a/.env.sample b/.env.sample
index 5691fa5..ca630bc 100644
--- a/.env.sample
+++ b/.env.sample
@@ -3,3 +3,7 @@ OWM_LANG=lang-open-weather-map
 OWM_UNITS=units-open-weather-map
 
 TELEGRAM_TOKEN=your-telegram-bot-token
+
+DB_HOST=mongodb://host:port/db
+DB_USER=user
+DB_PASSWORD=password