New comment by Wychmire on void-packages repository

https://github.com/void-linux/void-packages/pull/14307#issuecomment-529482183

Comment:
I was wondering why most python packages had it in both, but I didn't see anything about in the [Python](https://github.com/void-linux/void-packages/blob/master/Manual.md#pkgs_python) section of the manual (except for the slightly related `python-devel` in the second paragraph.
Fixed!