docs: change descriptions for virtual environment (#48)
docs: change descriptions for virtual environment (#48)

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
- [X] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/python-logging/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [X] Ensure the tests and linter pass
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Fixes #47 
googleapis/python-logging,googleapis/python-logging