From Joomla! Documentation
This page is the home for the categories and sub-categories for version 3.9.x.
To appear on this page each topic page should have the following code inserted at the end:
This category has the following 3 subcategories, out of 3 total.
Pages in category "Joomla! 3.9"
The following 10 pages are in this category, out of 10 total.