diff --git a/.env.example b/.env.example
index b0b9619..200a2cd 100644
--- a/.env.example
+++ b/.env.example
@@ -4,6 +4,9 @@ SUPABASE_SERVICE_ROLE_KEY=""
 STRIPE_SECRET_KEY=""
 STRIPE_ENDPOINT_SECRET=""
 VITE_PRODUCT_ID_EXAMPLEPRODUCT=""
+# Brevo API configuration for transactional emails (account closure notifications)
 VITE_BREVO_API_KEY=""
+# Default sender email for system notifications
 VITE_BREVO_SENDER_EMAIL="noreply@example.com"
+# Display name for the sender email
 VITE_BREVO_SENDER_NAME="No Reply"
\ No newline at end of file