This means the sysroot you are using was not compiled with Miri in mind. This
should never happen when you use `cargo miri` because that takes care of setting
-up the sysroot. If you are using `miri` (the Miri driver) directly, see
-[CONTRIBUTING.md](CONTRIBUTING.md) for how to use `./miri`.
+up the sysroot. If you are using `miri` (the Miri driver) directly, see the
+[contributors' guide](CONTRIBUTING.md) for how to use `./miri` to best do that.
## Miri `-Z` flags and environment variables