File header for a WordPress plugin conforming to the PHPDoc DocBlock Standard. Use this.

plugin.php

<?php
/**
 * Plugin Name
 *
 * @package     PluginPackage
 * @author      Your Name
 * @copyright   Copyright (c) 2018 Your Name or Company Name
 * @license     https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0+
 *
 * @wordpress-plugin
 * Plugin Name: Plugin Name
 * Plugin URI:  https://example.com/plugin-name
 * Description: Description of the plugin.
 * Version:     1.0.0
 * Author:      Your Name
 * Author URI:  https://example.com
 * Text Domain: plugin-name
 * License:     GPL-3.0+
 * License URI: https://www.gnu.org/licenses/gpl-3.0.en.html

Source: https://codex.wordpress.org/File_Header (Retrieved September 12, 2018).

Other notes: The whole header block must be placed inside the first 8 192 bytes of the file.
See the above link for more detailed specifications.