public static function notify( $msg ) {
		self::$msg = $msg;

		add_action( 'wp_footer', [ self::class, 'print_message' ], 999 );
		if ( isset( $_GET['page'] ) && 'geot-settings' == $_GET['page'] ) {
			add_action( 'admin_footer', [ self::class, 'print_message' ], 999 );
		}
	}