diff --git a/cloudron-server-migration.md b/cloudron-server-migration.md
index f0ca695..3cde571 100644
--- a/cloudron-server-migration.md
+++ b/cloudron-server-migration.md
@@ -10,6 +10,10 @@
 > anything marked "to do" below, and the mail architecture (see the note further down).
 >
 > **Where the live knowledge lives now:** the `cloudron-ops` skill for operational procedure, and
+
+> **The private twin `ops/runbooks` was ARCHIVED by the steward on 2026-11-02.** It held nothing this
+> repository lacks (same five files, this one ahead) and is now read-only, so there is a single
+> maintained copy. Archived rather than deleted: reversible, and the history stays inspectable.
 > `co-op/docs/infrastructure.md` for the member-facing description. Those two are maintained; this
 > file is not.