Drupal 7 Module Development: Help

espn_news.module

<?php

  /**
   * Implements hook_help().
   *
   * You can add documentation and help here (in admin/help#espn_news). This
   * documentation can help the users use and extend you module.
   *
   * @url: https://api.drupal.org/api/drupal/modules!help!help.api.php/function/hook_help/7
   */
  function espn_news_help($path, $arg) {
    switch ($path) {
      case 'admin/setting/espn_news':
        return t('This module displays a block which shows a list recent ESPN sport news.');

      case 'admin/help#espn_news';
        $output = '<h2>' . t('About') . '</h2>';
        $output .= '<p>' . t('Displays recent sport news from ESPN.') . '</p>';
        $output .= '<p>' . t('The news is fetched with ESPNs open REST API, all rights reserved to ESPN (2014).') . '</p>';
        return $output;
    }
  }