<?php $this->setGenerator(‘Anything you want or leave empty’); ?> change in themplate
Why smarter? Becouce after update not need tu change
The file you want to edit is called head.php and is found here:
/libraries/joomla/document/html/renderer/head.php
you will want to find the following code (~line 167):
$strHtml .= $tab.’<meta name=”generator” content=”‘.$document->getGenerator().’” />’.$lnEnd;