diff --git a/doc/preface.chapter.md b/doc/preface.chapter.md
index 16f228272b3d..7aae7fa90591 100644
--- a/doc/preface.chapter.md
+++ b/doc/preface.chapter.md
@@ -24,8 +24,8 @@ Packages, including the Nix packages collection, are distributed through
 [channels](https://nixos.org/nix/manual/#sec-channels). The collection is
 distributed for users of Nix on non-NixOS distributions through the channel
 `nixpkgs`. Users of NixOS generally use one of the `nixos-*` channels, e.g.
-`nixos-19.09`, which includes all packages and modules for the stable NixOS
-19.09. Stable NixOS releases are generally only given
+`nixos-22.11`, which includes all packages and modules for the stable NixOS
+22.11. Stable NixOS releases are generally only given
 security updates. More up to date packages and modules are available via the
 `nixos-unstable` channel.
 
@@ -43,4 +43,4 @@ The binaries are made available via a [binary cache](https://cache.nixos.org).
 
 The current Nix expressions of the channels are available in the
 [`nixpkgs`](https://github.com/NixOS/nixpkgs) repository in branches
-that correspond to the channel names (e.g. `nixos-19.09-small`).
+that correspond to the channel names (e.g. `nixos-22.11-small`).