diff --git a/example.env b/example.env
index 05f28a29..85b96ba7 100644
--- a/example.env
+++ b/example.env
@@ -52,8 +52,14 @@ PROXY_READ_TIMEOUT=
 # Necessary if the upload limit in the frappe application is increased
 CLIENT_MAX_BODY_SIZE=
 
+# Only with traefik overrides
 # Single site: SITES_RULE=Host(`erp.example.com`)
 # Multiple sites: SITES_RULE=Host(`a.example.com`) || Host(`b.example.com`)
 # More https://doc.traefik.io/traefik/routing/routers/#rule
 # About acme https://doc.traefik.io/traefik/https/acme/#domain-definition
 SITES_RULE=Host(`erp.example.com`)
+
+# Only with nginxproxy overrides
+# Single site: NGINX_PROXY_HOSTS=erp.example.com
+# Multiple sites: NGINX_PROXY_HOSTS=erp.example.com,www.erp.example.com
+NGINX_PROXY_HOSTS=erp.example.com