Clarify validation scope

validation/acceptance.json

@@ -16,5 +16,5 @@
     "project-unit-tests"
   ],
   "referenceImplementationSha256": "d61a3f38fa234cfa23b5531f09b12e958a67d086dadda749090302034c81adce",
-  "note": "This receipt covers the byte-container implementation. It does not claim that a cross-family KV translator has been trained or validated."
+  "note": "This receipt covers deterministic synthetic payload bytes and the byte-container implementation. It does not claim live runtime extraction/reinjection or that a cross-family KV translator has been trained or validated."
 }