diff --git a/planning/changes/2026-07-04.01-extract-accept-version-parse/design.md b/planning/changes/2026-07-04.01-extract-accept-version-parse/design.md
index 8d2034a..e54a157 100644
--- a/planning/changes/2026-07-04.01-extract-accept-version-parse/design.md
+++ b/planning/changes/2026-07-04.01-extract-accept-version-parse/design.md
@@ -92,8 +92,7 @@ def get_accept_header_from_scope(scope: types.Scope) -> str:
     return headers.get("Accept", "").strip().lower()
 
 
-def parse_accept_version(accept_header: str, vendor_media_type: str) -> AcceptVersion:
-    ...
+def parse_accept_version(accept_header: str, vendor_media_type: str) -> AcceptVersion: ...
 ```
 
 `parse_accept_version` owns steps 3-7 of today's middleware, in order,
diff --git a/pyproject.toml b/pyproject.toml
index 080ff56..181e646 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,6 +66,7 @@ select = ["ALL"]
 ignore = [
     "D1", # allow missing docstrings
     "S101", # allow asserts
+    "CPY001", # copyright lives in LICENSE, not per-file headers
     "TCH", # ignore flake8-type-checking
     "FBT", # allow boolean args
     "D203", # "one-blank-line-before-class" conflicting with D211