Index: wp-login.php
===================================================================
--- wp-login.php	(revision 17315)
+++ wp-login.php	(working copy)
@@ -212,7 +212,7 @@
 		$wpdb->update($wpdb->users, array('user_activation_key' => $key), array('user_login' => $user_login));
 	}
 	$message = __('Someone requested that the password be reset for the following account:') . "\r\n\r\n";
-	$message .= network_site_url() . "\r\n\r\n";
+	$message .= home_url() . "\r\n\r\n";
 	$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
 	$message .= __('If this was a mistake, just ignore this email and nothing will happen.') . "\r\n\r\n";
 	$message .= __('To reset your password, visit the following address:') . "\r\n\r\n";