friendica-addons/superblock/lang/en-us/strings.php

<?php

if(! function_exists("string_plural_select_en_us")) {
function string_plural_select_en_us($n){
	$n = intval($n);
	return intval($n != 1);
}}
;
$a->strings["Comma separated profile URLS to block"] = "Comma-separated profile URLs to block";