docs(changeset): the liveness re-anchor headline states what holds for every rewritten note

The headline said the ledgers cite the deciding commit for each note; one
note (the manifest integrity row) states its decision in words instead. The
headline now names both forms.

Claude-Session: https://claude.ai/code/session_01Sfe5YjBLwB9J3y8fvm2xq1
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

.changeset/20234-liveness-ledger-provenance-anchors.md

@@ -2,7 +2,7 @@
 '@objectstack/spec': patch
 ---
 
-The `manifest`, `dataset` and `permission` liveness ledgers cite the commit that decided each note instead of a tracker number that no longer resolves
+The `manifest`, `dataset` and `permission` liveness ledgers cite the commit that decided each note, or say the decision in words, instead of a tracker number that no longer resolves
 
 Clause-②: no