Index: wp-includes/ms-functions.php
===================================================================
--- wp-includes/ms-functions.php	(revision 18619)
+++ wp-includes/ms-functions.php	(working copy)
@@ -793,7 +793,7 @@
  * replace it with your own notification behavior.
  *
  * Filter 'wpmu_signup_blog_notification_email' and
- * 'wpmu_signup_blog_notification_email' to change the content
+ * 'wpmu_signup_blog_notification_subject' to change the content
  * and subject line of the email sent to newly registered users.
  *
  * @since MU