Webflow editor showing "Example H2" when published website is showing actual text

I cloned a template in order to make a guide website using it’s layout. I want to be able to edit the Table of Contents but my published site and the editor are showing two different things:

Here is my site Read-Only: LINK

Table of Content is a piece which you create by using custom code. Custom code does not get rendered in Webflow designer but only on published sites. This is an expected behaviour, nothing to worry about