diff --git a/README.md b/README.md
index f3e816f..203425d 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ happyr_translation:
   target_dir: '%kernel.root_dir%/Resources/translations'
   auto_add_assets: false
   allow_edit: true
+  sync_empty_translations: true
 ```
 
 # TODO