diff --git a/source/recipes/best-practices.md b/source/recipes/best-practices.md
index d4ae5a704..999cfa8d4 100644
--- a/source/recipes/best-practices.md
+++ b/source/recipes/best-practices.md
@@ -189,7 +189,7 @@ Use the [`pkgs.lib.recursiveUpdate`](https://nixos.org/manual/nixpkgs/stable/#fu
 ```{code-block} nix
 :class: expression
 let pkgs = import <nixpkgs> {}; in
-pkgs.recursiveUpdate { a = { b = 1; }; } { a = { c = 3;}; }
+pkgs.lib.recursiveUpdate { a = { b = 1; }; } { a = { c = 3;}; }
 ```
 
 ```{code-block} nix