It's there, at the bottom of the file. I'd guess you're looking at the wrong index.php file. Make sure you're in includes/languages/english and not admin/includes/languiages/english.

You've made a nice start styling your site, but by using the Classic template, all your changes will be lost when you upgrade to the next Zencart version. Create your custom template before you go any further.

https://www.zen-cart.com/tutorials/i...hp?article=142
https://www.zen-cart.com/tutorials/i...hp?article=143