diff --git a/modules/document/lang/jp.lang.php b/modules/document/lang/jp.lang.php
index c347b2a50..0f2043a52 100644
--- a/modules/document/lang/jp.lang.php
+++ b/modules/document/lang/jp.lang.php
@@ -11,7 +11,7 @@
     $lang->thumbnail_ratio = '比率に合わせる';
     $lang->cmd_delete_all_thumbnail = 'すべてのサムネール削除';
     $lang->title_bold = 'タイトル太字';
-    $lang->title_color = 'タイトル色';
+    $lang->title_color = 'タイトルの色';
 
     $lang->cmd_search_next = '継続検索';