docs/swarm/credentials.md: fix citation range to include 'A path, never a value'

The citation for the nix option description was 529-531, but the quoted
phrase 'A path, never a value.' appears on line 533. The correct range
529-533 includes both the 'operator places by hand' claim and the
'path, never a value' assertion that the doc attributes to that file.

Refs #4445
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atlas 2026-09-16 22:46:29 +02:00
commit 972b80d7b8

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@ -24,7 +24,7 @@ certificate is what authenticates a principal to the store, so it's the one
credential that can't be fetched from the store. Something has to exist on
disk before the first request, or there's nothing to make the request with.
Every host has one; its only power is to ask the store for the rest.
`swarm-bao.nix:529-531` states the rule for the nix option that carries it:
`swarm-bao.nix:529-533` states the rule for the nix option that carries it:
this is _"the credential an operator places by hand"_, and _"a path, never a
value."_ A literal in a nix expression lands in the nix store —
world-readable and permanent — so that option takes a path to the