The __Host prefix mitigates cookie injection vulnerabilities within potential third-party software sharing the same second level domain. It is an additional hardening on top of 'normal' same-site cookies

Hello Everyone,
i have Nextcloud in last update : version 27.1.3
But when i scan my nextcloud in https://scan.nextcloud.com/ i get this error :

The __Host prefix mitigates cookie injection vulnerabilities within potential third-party software sharing the same second level domain. It is an additional hardening on top of ‘normal’ same-site cookies.

LTGTFY: