Index: wp-admin/theme-editor.php
===================================================================
--- wp-admin/theme-editor.php	(リビジョン 8008)
+++ wp-admin/theme-editor.php	(作業コピー)
@@ -83,7 +83,7 @@
 <?php endif;
 
 $description = get_file_description($file);
-$desc_header = ( $description != $file_show ) ? "$description</strong> (%s)" : "%s";
+$desc_header = ( $description != $file_show ) ? "$description</strong> (%s)" : "%s</strong>";
 ?>
 <div class="wrap">
 <div class="bordertitle">