diff --git a/po/ja.po b/po/ja.po
index 5dfb394bf..3adf81091 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -8709,7 +8709,7 @@ msgstr "構造の差分"
 
 #: server_synchronize.php:424 server_synchronize.php:867
 msgid "Data Difference"
-msgstr ""
+msgstr "データの差分"
 
 #: server_synchronize.php:429 server_synchronize.php:872
 msgid "Add column(s)"