Change woocmmerce out of stock text in wordpress

For our customization want to change woocommerce Out of stock text to Sold Out then place the following snippet in functions.php within your theme folder!.

add_filter('woocommerce_get_availability', 'change_woocommerce_out_of_stock_text');
function change_woocommerce_out_of_stock_text($availability)
{
	$availability['availability'] = str_ireplace('Out of stock', 'Sold Out', $availability['availability']);
	return $availability;
}

Have any doubt, then comment here!