diff --git a/docs/plans/2026-08-07-1747-proxy-operator.md b/docs/plans/2026-08-07-1747-proxy-operator.md
index ef8c947..e586e78 100644
--- a/docs/plans/2026-08-07-1747-proxy-operator.md
+++ b/docs/plans/2026-08-07-1747-proxy-operator.md
@@ -391,7 +391,10 @@ pods would refuse connections while still being Service endpoints. The 1-replica
 constraint comes from lease state being per-process, which the spec already accepts —
 both facts go in the README caveats.
 
-stdlib `http.ServeMux` with Go 1.22 method+wildcard patterns:
+stdlib `http.ServeMux` using its method+wildcard patterns (`"GET /path"`,
+`"/{id}"` + `r.PathValue`) — a stdlib feature available since Go 1.22, used
+here so no third-party router is needed; the project itself stays on the
+pinned Go 1.26:
 `GET /v1/proxies`, `POST /v1/leases`, `DELETE /v1/leases/{id}`,
 `POST /v1/leases/{id}/report`, plus unauthenticated `GET /healthz`.
 Middleware outermost-first: recover → request-log → `MaxBytesReader(64KiB)` → bearer