diff --git a/library/language/ja/main.php b/library/language/ja/main.php
index 7936bb722..81ea38f56 100644
--- a/library/language/ja/main.php
+++ b/library/language/ja/main.php
@@ -1848,6 +1848,8 @@ $lang['UNDERLINE'] = '下線文:[u]text[/u](Ctrl+U)';
 $lang['STRIKEOUT'] = 'Strikeout文:[s]text[/s](Ctrl+S)';
 $lang['BOX_TAG'] = 'Frame around text: [box]text[/box] or [box=#333,#888]text[/box]';
 $lang['INDENT_TAG'] = 'Insert indent: [indent]text[/indent]';
+$lang['PRE_TAG'] = 'Preformatted text: [pre]text[/pre]';
+$lang['NFO_TAG'] = 'NFO: [nfo]text[/nfo]';
 $lang['SUPERSCRIPT'] = 'Superscript text: [sup]text[/sup]';
 $lang['SUBSCRIPT'] = 'Subscript text: [sub]text[/sub]';
 $lang['QUOTE_TITLE'] = '引用文:[quote]text[/quote](Ctrl+Q)';