It is quite annoying when you sort your contributions neatly into categories, but the description is not created into a neat HTML code.
There are solutions for how to filter in the functions.php However, they are then changed again in the next WordPress update.
We have researched and are on the plugin Allow HTML In Category Descriptions.
After downloading and installing in our WordPress installation, we were able to create a clean HTML code with an HTML editor.
and the finished result.
