Link to usage of pkg description instead of referring to nix-env (#255127)

* Updates meta.chapter.md with a reference link to the usage of the package description field instead of referring to nix-env

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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Maximilian Ehlers 2023-09-14 16:59:20 +02:00 committed by GitHub
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@ -24,7 +24,8 @@ It is expected that each meta-attribute is one of the following:
### `description` {#var-meta-description}
A short (one-line) description of the package. This is shown by `nix-env -q --description` and also on the Nixpkgs release pages.
A short (one-line) description of the package.
This is displayed on [search.nixos.org](https://search.nixos.org/packages).
Dont include a period at the end. Dont include newline characters. Capitalise the first character. For brevity, dont repeat the name of package --- just describe what it does.