Admonition not showed properly in MKDocs

For Workers & Pages, what is the name of the domain?

mkdocs.pmtec.org

What is the issue or error you’re encountering

Admonitions in MKDocs are not showed properly

What are the steps to reproduce the issue?

When i create admonition in my mkdocs md file, it is not showed properly, but instead just as !!! note.
You can see this in: Install - docs.pmtec.org
Any advises please?
Thank you

correction for domain, it should be docs.pmtec.org