Replace ‘Dismiss’ with an X in Woo store notice

function twstudio_demo_store_filter($text) {

	$text = str_replace(array('<p class="woocommerce-store-notice demo_store">', '</p>', 'Dismiss'), array('<div class="woo-notice-container"><p class="woocommerce-store-notice demo_store">', '</p></div>', 'X'), $text);
	return $text;
}
add_filter('woocommerce_demo_store', 'twstudio_demo_store_filter', 10, 1);