diff --git a/addons/default/visiosoft/cats-module/resources/lang/ja/button.php b/addons/default/visiosoft/cats-module/resources/lang/ja/button.php
index 32ce383b2..c13f4dcf0 100644
--- a/addons/default/visiosoft/cats-module/resources/lang/ja/button.php
+++ b/addons/default/visiosoft/cats-module/resources/lang/ja/button.php
@@ -5,4 +5,5 @@ return [
     'add_sub_category' => 'サブカテゴリを追加',
     'sub_category' => 'サブカテゴリーを表示',
     'new_placeholderforsearch' => '検索用の新しいプレースホルダー',
+    'convert_main' => 'Convert Main Category',
 ];