diff --git src/wp-admin/my-sites.php src/wp-admin/my-sites.php
index 6ec3367..a6b4dd9 100644
--- src/wp-admin/my-sites.php
+++ src/wp-admin/my-sites.php
@@ -39,8 +39,7 @@
 	'id'      => 'overview',
 	'title'   => __('Overview'),
 	'content' =>
-		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>' .
-		'<p>' . __('Up until WordPress version 3.0, what is now called a Multisite Network had to be installed separately as WordPress MU (multi-user).') . '</p>'
+		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>'
 ) );
 
 get_current_screen()->set_help_sidebar(