Index: wp-admin/network/site-users.php
===================================================================
--- wp-admin/network/site-users.php	(revision 21261)
+++ wp-admin/network/site-users.php	(working copy)
@@ -254,13 +254,13 @@
 <?php do_action( 'network_site_users_after_list_table', '' );?>
 
 <?php if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : ?>
-<h4 id="add-user"><?php _e('Add User to This Site') ?></h4>
+<h3 id="add-user"><?php _e('Add User to This Site') ?></h3>
 	<?php if ( current_user_can( 'create_users' ) && apply_filters( 'show_network_site_users_add_new_form', true ) ) : ?>
 <p><?php _e( 'You may add from existing network users, or set up a new user to add to this site.' ); ?></p>
 	<?php else : ?>
 <p><?php _e( 'You may add from existing network users to this site.' ); ?></p>
 	<?php endif; ?>
-<h5 id="add-existing-user"><?php _e('Add Existing User') ?></h5>
+<h4 id="add-existing-user"><?php _e('Add Existing User') ?></h4>
 <form action="site-users.php?action=adduser" id="adduser" method="post">
 	<?php wp_nonce_field( 'edit-site' ); ?>
 	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />
@@ -289,7 +289,7 @@
 <?php endif; ?>
 
 <?php if ( current_user_can( 'create_users' ) && apply_filters( 'show_network_site_users_add_new_form', true ) ) : ?>
-<h5 id="add-new-user"><?php _e('Add New User') ?></h5>
+<h4 id="add-new-user"><?php _e('Add New User') ?></h4>
 <form action="<?php echo network_admin_url('site-users.php?action=newuser'); ?>" id="newuser" method="post">
 	<?php wp_nonce_field( 'edit-site' ); ?>
 	<input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" />