Im using modern theme and having problem renaming "Check with seller"
1. core.po edited
#: oc-includes/osclass/helpers/hItems.php:1112
msgid "Dogovor"
msgstr ""
2. hIems.php edited
function osc_format_price($price, $symbol = null) {
if ($price === null) return osc_apply_filter ('item_price_null', __('Dogovor') );