Install graphviz-doc by entering the following commands in the terminal:
sudo apt update sudo apt install graphviz-doc
Description:
additional documentation for graphviz
Graphviz is a set of graph drawing tools. See the description of the graphviz package for a full description. . This package installs HTML and PDF documentation for Graphviz, as well as examples.
Homepage: https://www.graphviz.org/
Version: 2.40.1-2
Section: universe/doc