Translate WordPress plugin Headers

tp-test.php

<?php
/**
 * Plugin Name: Thierry Pigot - A awesome plugin!
 * Plugin URI: http://www.thierry-pigot.fr/tutoriel/722/traduire-header-plugin-wordpress/
 * Description: A brief description of the Plugin.
 * Version:1.0
 * Author: Thierry Pigot
 * Author URI: http://www.thierry-pigot.fr/
 * License: GPL2
 * Text Domain: tp-test
 * Domain Path: /languages
 */

__( 'Thierry Pigot - A awesome plugin!', 'tp-test' );
__( 'A brief description of the Plugin.', 'tp-test' );