diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 464fa06..e5d0383 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -119,6 +119,7 @@
  * $config_directories key for staging directory.
  *
  * @see config_get_config_directory()
+ * @see CONFIG_SYNC_DIRECTORY
  *
  * @deprecated in Drupal 8.0.x and will be removed before 9.0.0. The staging
  *   directory was renamed to sync.
diff --git a/core/modules/config/config.module b/core/modules/config/config.module
index 185fff9..7a1256a 100644
--- a/core/modules/config/config.module
+++ b/core/modules/config/config.module
@@ -33,7 +33,7 @@ function config_help($route_name, RouteMatchInterface $route_match) {
 
     case 'config.sync':
       $output = '';
-      $output .= '<p>' . t('Import configuration that is placed in your sync directory. All changes, deletions, renames, and additions are listed below.') . '</p>';
+      $output .= '<p>' . t('Compare the configuration uploaded to your sync directory with the active configuration before completing the import.') . '</p>';
       return $output;
 
     case 'config.export_full':
@@ -43,7 +43,7 @@ function config_help($route_name, RouteMatchInterface $route_match) {
 
     case 'config.import_full':
       $output = '';
-      $output .= '<p>' . t('The full import page can be used to import a full set of configuration for this site by uploading a gzipped or bzipped tar file consisting of all configuration YAML files. The results will be placed in a the sync directory, so they can be compared in the Synchronize tab. There the import can be finalized.') . '</p>';
+      $output .= '<p>' . t('Upload a full site configuration archive to the sync directory. It can then be compared and imported on the Synchronize page.') . '</p>';
       return $output;
 
     case 'config.export_single':