Be sure and make all the changes below to match your own plugin information. Likely you will adjust every line to the right of the colon:
<?php
/**
* Plugin Name: My Cool Plugin
* Plugin URI: http://mypluginuri.com/
* Description: A brief description about your plugin.
* Version: 0.5.1.0 or whatever version of the plugin (pretty self explanatory)
* Author: Vince Jim (Plugin Author's Name)
* Author URI: Author's website URL
* License: GPLv2 (The license name that governs this plugin)
*/