Template:Based on template/Doc

is a template for use by "subst:" templates. It puts a header at the top of the replaced page that says how to access the template for similar pages.


 * TemplateName : the name of the template the page is based on.


 * Templates : (optional) if set to any value, templates will be included in the category. Default is to not include templates.  This helps keep the category clear of documentation pages that use the template as an example.

Include it by putting at the top of the template

If you do, what you'll then get is this:

The page is automatically included in the Category of the same name.