There is a new pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages sourcemirror
https://github.com/void-linux/void-packages/pull/22112

README.md: use actual source mirror in example
The `XBPS_DISTFILES_MIRROR` eaxmple could use a link to the actual source mirror for Void c:

A patch file from https://github.com/void-linux/void-packages/pull/22112.patch is attached