diff --git a/docs/hosting/configuration/environment-variables/user-management-smtp-2fa.md b/docs/hosting/configuration/environment-variables/user-management-smtp-2fa.md
index 06f1d2c27..a5a7b2c51 100644
--- a/docs/hosting/configuration/environment-variables/user-management-smtp-2fa.md
+++ b/docs/hosting/configuration/environment-variables/user-management-smtp-2fa.md
@@ -27,6 +27,7 @@ Refer to [User management](/hosting/configuration/user-management-self-hosted/)
 | `N8N_SMTP_OAUTH_PRIVATE_KEY` | String | - | If using 2LO with a service account this is your private key |
 | `N8N_SMTP_SENDER` | String | - | Sender email address. You can optionally include the sender name. Example with name: _N8N `<contact@n8n.com>`_ |
 | `N8N_SMTP_SSL` | Boolean | `true` | Whether to use SSL for SMTP (true) or not (false). |
+| `N8N_SMTP_STARTTLS` | Boolean | `true` | Whether to use STARTTLS for SMTP (true) or not (false). |
 | `N8N_UM_EMAIL_TEMPLATES_INVITE` | String | - | Full path to your HTML email template. This overrides the default template for invite emails. |
 | `N8N_UM_EMAIL_TEMPLATES_PWRESET` | String | - | Full path to your HTML email template. This overrides the default template for password reset emails. |
 | `N8N_UM_EMAIL_TEMPLATES_WORKFLOW_SHARED` | String | - | Overrides the default HTML template for notifying users that a workflow was shared. Provide the full path to the template. |