public/scripts/templates/duplicateConfirm.html

<div>
    <h3 data-i18n="Are you sure you want to duplicate this character?">Are you sure you want to duplicate this character?</h3>
    <span data-i18n="If you just want to start a new chat with the same character...">If you just want to start a new chat with the same character, use "Start new chat" option in the bottom-left options menu.</span>
    <br>
</div>