Your profile folder contains a <a data-l10n-name="user-js-link">user.js file</a>, which includes preferences that were not created by { -brand-short-name }.
Waš profilowy zarědnik wopśimujo <a data-l10n-name="user-js-link">dataju user.js</a>, kótaraž wopśimujo nastajenja, kótarež njejsu se pśez { -brand-short-name } napórali.