Index: src/wp-includes/ms-functions.php
===================================================================
--- src/wp-includes/ms-functions.php	(revision 46349)
+++ src/wp-includes/ms-functions.php	(working copy)
@@ -1073,7 +1073,6 @@
 		site_url( "wp-activate.php?key=$key" )
 	);
 
-	// TODO: Don't hard code activation link.
 	$subject = sprintf(
 		/**
 		 * Filters the subject of the notification email of new user signup.