Excluding pages using the theme editor

Simple question. I want to exclude a page. So I searched and found how to exclude them, but I’m not exactly sure where to paste the code in my header.php file (presentation>theme editor>header.php)

Here’s the original code

<?php wp_list_pages(‘sort_column=menu_order&depth=1&title_li=’); ?>
<?php wp_register(‘<li class=”admintab”>’,’

‘); ?>

</div>

<hr />

and wordpress says to put this in (where the ID’s would be different of course):

<?php
wp_list_pages(‘exclude=17,38’ ); ?>

So should it look exactly like this?

<?php wp_list_pages(‘exclude=17,38’ )(‘sort_column=menu_order&depth=1&title_li=’); ?>
<?php wp_register(‘<li class=”admintab”>’,’

‘); ?>

</div>

<hr />

I’m new to php, and I know how sensitive these files are. So thanks so much in advance!

All good things -gmr