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-rw-r--r--doc/manual/src/release-notes/rl-next.md3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/manual/src/release-notes/rl-next.md b/doc/manual/src/release-notes/rl-next.md
index db2bd7419..8b314b5f6 100644
--- a/doc/manual/src/release-notes/rl-next.md
+++ b/doc/manual/src/release-notes/rl-next.md
@@ -26,7 +26,8 @@
* On Linux, Nix can now run builds in a user namespace where the build
runs as root (UID 0) and has 65,536 UIDs available. This is
primarily useful for running containers such as `systemd-nspawn`
- inside a Nix build.
+ inside a Nix build. For an example, see
+ https://github.com/NixOS/nix/blob/67bcb99700a0da1395fa063d7c6586740b304598/tests/systemd-nspawn.nix.
A build can enable this by requiring the `uid-range` system feature,
i.e. by setting the derivation attribute