diff --git a/docs/admin/config-cheat-sheet.md b/docs/admin/config-cheat-sheet.md
index 454d5339..39548af8 100644
--- a/docs/admin/config-cheat-sheet.md
+++ b/docs/admin/config-cheat-sheet.md
@@ -499,7 +499,7 @@ And the following unique queues:
 
 - `DEFAULT_EMAIL_NOTIFICATIONS`: **enabled**: Default configuration for email notifications for users (user configurable). Options: enabled, onmention, disabled
 - `DISABLE_REGULAR_ORG_CREATION`: **false**: Disallow regular (non-admin) users from creating organizations.
-- `SEND_NOTIFICATION_EMAIL_ON_NEW_USER`: **false**: enable email notifications to instance admins on new user sign-up.
+- `SEND_NOTIFICATION_EMAIL_ON_NEW_USER`: **false**: enable email notifications to instance admins on new user sign-up. It requires `ENABLE_NOTIFY_MAIL` to be true.
 
 ## Security (`security`)