Readability: gloss the signature wording in plain words (strict sweep 2026-11-08)

README.md

@@ -63,7 +63,7 @@ in the source publication.
 | --- | --- |
 | `data/enriched_20261106.csv` | All 679 records. UTF-8, **no header row**, 9 columns (schema below). Byte-identical to the product file for 2026-11-06. |
 | `summary.md` | The product's own summary: filter conditions, the exclusion counts above, per-prefecture counts, column definitions (Japanese). |
-| `manifest.json` | Ed25519-signed verification manifest (regbase-manifest/1) covering the CSV and summary. |
+| `manifest.json` | Verification file with a digital stamp (Ed25519) covering the CSV and summary — see "Verify it yourself" below. |
 | `regbase-enriched-sample-2026-11-06.zip` | The sample package as a single download: CSV + summary + manifest + Japanese README. |
 
 ## Schema (9 columns, in order)
@@ -80,7 +80,7 @@ in the source publication.
 
 ## Verify it yourself
 
-`manifest.json` is an Ed25519-signed manifest (format `regbase-manifest/1`).
+`manifest.json` carries a digital stamp (an Ed25519 signature; format `regbase-manifest/1`).
 It lists the SHA-256 hash, byte size and record count of each file, so you can
 confirm the files are byte-for-byte what RegBase produced. The signature proves
 the files have not changed since signing and were signed with the RegBase key;