Escaping of star in G-3145 is visible

The escaping of star (\*) is shown.

![image](https://user-images.githubusercontent.com/3883171/182998132-ba6c771e-0b06-40b7-b03c-1be44ba88917.png)

This is related to #123. It's a bug of Material for MkDocs or MkDocs itself. Maybe #127 will solve the issue. 
