friendica-addons/js_upload/lang/nl/strings.php

<?php

if(! function_exists("string_plural_select_nl")) {
function string_plural_select_nl($n){
	$n = intval($n);
	return intval($n != 1);
}}
$a->strings['Upload a file'] = 'Upload een bestand';
$a->strings['Drop files here to upload'] = 'Sleep uw bestanden hier om ze te uploaden';