Incorrect docstring parsing

[Andrej730]

Snippet:

def test():
    """Docstring for test

    :return: Description
    :rtype: Literal[25]"""
    return 25

test()

Without python docstring highlighter:

With python docstring highlighter (note that return and test() are also parsed as part of the string):

I understand that it would be a non-PEP 257-compliant doc-string, but still.