diff --git a/core/modules/config/config.module b/core/modules/config/config.module
index 894f826..7b0cb76 100644
--- a/core/modules/config/config.module
+++ b/core/modules/config/config.module
@@ -15,19 +15,19 @@ function config_help($route_name, RouteMatchInterface $route_match) {
     case 'help.page.config':
       $output = '';
       $output .= '<h3>' . t('About') . '</h3>';
-      $output .= '<p>' . t('The Configuration Manager module provides a user interface for importing and exporting configuration changes between installations of your website in different environments, such as development, staging, and production. Configuration is stored in YAML format. For more information, see the <a href="!url">online documentation for the Configuration Manager module</a>.', array('!url' => 'https://www.drupal.org/documentation/administer/config')) . '</p>';
+      $output .= '<p>' . t('The Configuration Manager module provides a user interface for importing and exporting configuration changes between installations of your website in different environments. Configuration is stored in YAML format. For more information, see the <a href="!url">online documentation for the Configuration Manager module</a>.', array('!url' => 'https://www.drupal.org/documentation/administer/config')) . '</p>';
       $output .= '<h3>' . t('Uses') . '</h3>';
       $output .= '<dl>';
       $output .= '<dt>' . t('Exporting a full configuration') . '</dt>';
       $output .= '<dd>' . t('You can create and download an archive consisting of all your site\'s configuration exported as <em>*.yml</em> files on the <a href="!url">Export</a> page.' , array('!url' => \Drupal::url('config.export_full'))) . '</dd>';
       $output .= '<dt>' . t('Importing a full configuration') . '</dt>';
-      $output .= '<dd>' . t('You can upload a full site configuration from an archive file on the <a href="!url">Import</a> page. When importing data from a different environment, the site and the import files are matched based on the <em>system.config UUID parameter</em>. That means that your other environments should initially be set-up from the same database copy as the target site. Migrations are not supported.', array('!url' => \Drupal::url('config.import_full'))) . '</dd>';
+      $output .= '<dd>' . t('You can upload a full site configuration from an archive file on the <a href="!url">Import</a> page. When importing data from a different environment, the site and import files must have matching configuration values for UUID in the <em>system.site</em> configuration item. That means that your other environments should initially be set up as a clone of the target site. Migrations are not supported.', array('!url' => \Drupal::url('config.import_full'))) . '</dd>';
+      $output .= '<dt>' . t('Synchronizing configuration'). '</dt>';
+      $output .= '<dd>' . t('You can review differences between the active configuration and an imported configuration archive on the <a href="!synchronize">Synchronize</a> page to ensure that the changes are as expected, before finalizing the import. The Synchronize page also shows configuration items that would be added or removed.', array('!synchronize' => \Drupal::url('config.sync'))) . '</dd>';
       $output .= '<dt>' . t('Exporting a single configuration item') . '</dt>';
       $output .= '<dd>' . t('You can export a single configuration item by selecting a <em>Configuration type</em> and <em>Configuration name</em> on the <a href="!single-export">Single export</a> page. The configuration and its corresponding <em>*.yml file name</em> are then displayed on the page for you to copy them.', array('!single-export' => \Drupal::url('config.export_single'))) . '</dd>';
       $output .= '<dt>' . t('Importing a single configuration item') . '</dt>';
       $output .= '<dd>' . t('You can import a single configuration item by pasting it in YAML format into the form on the <a href="!single-import">Single import</a> page.', array('!single-import' => \Drupal::url('config.import_single'))) . '</dd>';
-      $output .= '<dt>' . t('Synchronizing configuration'). '</dt>';
-      $output .= '<dd>' . t('You can review differences between the active configuration and an imported configuration archive on the <a href="!synchronize">Synchronize</a> page to ensure that the changes are as expected, before finalizing the import. The Synchronize page also shows configuration items that would be added or removed.', array('!synchronize' => \Drupal::url('config.sync'))) . '</dd>';
       $output .= '</dl>';
       return $output;
 
@@ -38,17 +38,17 @@ function config_help($route_name, RouteMatchInterface $route_match) {
 
     case 'config.export_full':
       $output = '';
-      $output .= '<p>' . t('The full export page can be used to export all configurations of this site, and download them as a gzipped tar file.') . '</p>';
+      $output .= '<p>' . t('The full export page can be used to export the full configuration of this site, and download it as a gzipped tar file.') . '</p>';
       return $output;
 
     case 'config.import_full':
       $output = '';
-      $output .= '<p>' . t('The full import page can be used to import the full configuration of this site by uploading a gzipped tar file consisting of all configuration YAML files.') . '</p>';
+      $output .= '<p>' . t('The full import page can be used to import the full configuration of this site by uploading a gzipped tar file consisting of all configuration YAML files. The results wll be placed in a the staging directory, so they can be compared in the Synchronize tab. There the import can be finalized.') . '</p>';
       return $output;
 
     case 'config.export_single':
       $output = '';
-      $output .= '<p>' . t('The single export page can be used to retrieve a single configuration in a YAML structure.') . '</p>';
+      $output .= '<p>' . t('The single export page can be used to display a single configuration in a YAML structure.') . '</p>';
       return $output;
 
     case 'config.import_single':