nextcloud-server/settings/l10n/es.php

<?php $TRANSLATIONS = array(
"Authentication error" => "Error de autentificación",
"Invalid request" => "Solicitud no válida",
"Language changed" => "Idioma cambiado",
"Account information" => "Información de la cuenta",
"You're currently using" => "Estás utilizando",
"of your" => "de tus",
"space" => "de espacio total",
"Change Password" => "Cambiar contraseña",
"Your password got changed" => "Tu contraseña ha sido cambiada",
"New password" => "Nueva contraseña:",
"Language" => "Idioma"
);