diff --git a/po/ja.po b/po/ja.po
index 3def57a02..4a7d08a7b 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -4216,7 +4216,7 @@ msgstr "クッキー認証"
 
 #: libraries/config/setup.forms.php:48
 msgid "HTTP authentication"
-msgstr "HTTP認証"
+msgstr "HTTP 認証"
 
 #: libraries/config/setup.forms.php:51
 msgid "Signon authentication"