Issue #2091285 by lostkangaroo, batigolix: Change link format in hook_help() in Ban module.

core/modules/ban/ban.module

@@ -13,11 +13,11 @@ function ban_help($path, $arg) {
     case 'admin/help#ban':
       $output = '';
       $output .= '<h3>' . t('About') . '</h3>';
-      $output .= '<p>' . t('The Ban module allows administrators to ban visits to their site from individual IP addresses. For more information, see <a href="@url">the online documentation for the Ban module</a>.', array('@url' => 'https://drupal.org/documentation/modules/ban')) . '</p>';
+      $output .= '<p>' . t('The Ban module allows administrators to ban visits to their site from individual IP addresses. For more information, see <a href="!url">the online documentation for the Ban module</a>.', array('!url' => 'https://drupal.org/documentation/modules/ban')) . '</p>';
       $output .= '<h3>' . t('Uses') . '</h3>';
       $output .= '<dl>';
       $output .= '<dt>' . t('Banning IP addresses') . '</dt>';
-      $output .= '<dd>' . t('Administrators can enter IP addresses to ban on the <a href="@bans">IP address bans</a> page.', array('@bans' => url('admin/config/people/ban'))) . '</dd>';
+      $output .= '<dd>' . t('Administrators can enter IP addresses to ban on the <a href="!bans">IP address bans</a> page.', array('!bans' => \Drupal::url('ban.admin_page'))) . '</dd>';
       $output .= '</dl>';
       return $output;