diff --git a/docs/runtime-parity-scope.md b/docs/runtime-parity-scope.md
index 109a287f..6710c2dd 100644
--- a/docs/runtime-parity-scope.md
+++ b/docs/runtime-parity-scope.md
@@ -74,8 +74,10 @@ to speak CultNet or participate in CultMesh.
   semantic ones. A single rows-to-bytes path driving both halves in one call
   remains its own cut (R-AR) and is not part of this claim.
 - CultMesh content plane (`cultmesh.content_chunk_request.v1` and `.response.v1`
-  plus the CDN manifest, C#/Rust only): byte parity in both directions, and the
-  reference's answer to a chunk request, including its failure spellings.
+  plus the CDN manifest, C#/Rust only): byte parity in both directions (manifest metadata keeps its wire key order and a
+  duplicate key is refused, as the reference refuses it), and the reference's answer
+  to a chunk request, including its failure spellings: every bad request is
+  answered `found: false`, never refused at decode.
   `packages/cultnet-rs/tests/content.rs` and
   `tests/GameCult.Mesh.Tests/CultMeshContentVectorTests.cs` judge
   `contracts/cultmesh/content-vectors.cs-written.json` and