Install libatk1.0-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libatk1.0-doc
Description:
Documentation files for the ATK toolkit
ATK is a toolkit providing accessibility interfaces for applications or other toolkits. By implementing these interfaces, those other toolkits or applications can be used with tools such as screen readers, magnifiers, and other alternative input devices. . This contains the HTML documentation for the ATK library in /usr/share/doc/libatk1.0-doc/ .
Homepage: https://wiki.gnome.org/Accessibility
Version: 2.28.1-1
Section: doc