From 72bebd8c0c4e8fdab99f04e51782ad6687f4881f Mon Sep 17 00:00:00 2001
From: Alexei Colin <ac@alexeicolin.com>
Date: Sun, 17 Jan 2021 01:29:15 -0500
Subject: [PATCH] doc: rust: fix syntax error in declarative overlay

Otherwise pasting the snippet into shell.nix results in:

	error: syntax error, unexpected '=', expecting $end, at /.../shell.nix:2:9

Signed-off-by: Alexei Colin <ac@alexeicolin.com>
---
 doc/languages-frameworks/rust.section.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/languages-frameworks/rust.section.md b/doc/languages-frameworks/rust.section.md
index 092e84461b81..dda8d485365e 100644
--- a/doc/languages-frameworks/rust.section.md
+++ b/doc/languages-frameworks/rust.section.md
@@ -567,12 +567,13 @@ in the `~/.config/nixpkgs/overlays` directory.
 Add the following to your `configuration.nix`, `home-configuration.nix`, `shell.nix`, or similar:
 
 ```
-  nixpkgs = {
+{ pkgs ? import <nixpkgs> {
     overlays = [
       (import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz))
       # Further overlays go here
     ];
   };
+};
 ```
 
 Note that this will fetch the latest overlay version when rebuilding your system.