diff --git a/example.env b/example.env
index f9e4e674..3ff0aaf7 100644
--- a/example.env
+++ b/example.env
@@ -23,6 +23,9 @@ LETSENCRYPT_EMAIL=mail@example.com
 # and do want to access it by `127.0.0.1` host. Than you would set this variable to `mysite`.
 FRAPPE_SITE_NAME_HEADER=
 
+# Default value is `8080`.
+HTTP_PUBLISH_PORT=
+
 # Default value is `127.0.0.1`. Set IP address as our trusted upstream address.
 UPSTREAM_REAL_IP_ADDRESS=