diff --git a/core/modules/system/js/system.modules.es6.js b/core/modules/system/js/system.modules.es6.js
index d66a10e74b..1b0c8167e4 100644
--- a/core/modules/system/js/system.modules.es6.js
+++ b/core/modules/system/js/system.modules.es6.js
@@ -70,7 +70,7 @@
             Drupal.formatPlural(
               $rowsAndDetails.find('tbody tr:visible').length,
               '1 module is available in the modified list.',
-              '@count modules are available in the modified list.'
+              '@count modules are available in the modified list.',
             ),
           );
         } else if (searching) {