diff -u b/core/modules/config/config.module b/core/modules/config/config.module
--- b/core/modules/config/config.module
+++ b/core/modules/config/config.module
@@ -43,17 +43,17 @@

     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/bz file consisting of all configuration YAML files. The results will be placed in a the staging directory, so they can be compared in the Synchronize tab. There the import can be finalized.') . '</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 display a single configuration item 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':
       $output = '';
-      $output .= '<p>' . t('The single import page can be used to import a single configuration item by pasting a YAML structure in the textarea.') . '</p>';
+      $output .= '<p>' . t('The single import page can be used to import a single configuration by pasting a YAML structure in the textarea.') . '</p>';
       return $output;
   }
 }