lib: fix outdated comment

PR-URL: https://github.com/nodejs/node/pull/27122
Refs: https://github.com/nodejs/node/commit/7e2088f773d97e00e29cacdc20e1a36b80528be0


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>