Options

functions.php

<?php

/**
 * ACF options page
 */
function namespace_acf_settings() {

	function_exists( 'acf_add_options_page' ) && acf_add_options_page(
		array(
			'menu_slug' => 'site-options',
			'page_title' => 'Site Options',
			'parent_slug' => 'options-general.php',
			'capability' => 'manage_options',
			'autoload' => true
		)
	);

}
add_filter( 'acf/include_fields', 'namespace_acf_settings' );