diff --git a/README.md b/README.md
index 076bc2f..984164f 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,15 @@ Attach several machines at once with `mir attach a b c`; press `Ctrl-O`, then
   → [`docs/release.md`](docs/release.md), [SECURITY.md](SECURITY.md),
   [audit scope](docs/audit-scope.md)
 
+## Why the name?
+
+The Miranda warning: *you have the right to remain silent.* The relay in the
+middle has no choice about it — it never sees your keystrokes, so it cannot
+testify to what you typed, under subpoena or after a breach.
+
+The other Miranda is Shakespeare's, on an island in *The Tempest*, seeing the
+wider world for the first time: “O brave new world, that has such people in't.”
+
 ## Security in one screen
 
 Miranda assumes the rendezvous relay is untrusted.
diff --git a/SECURITY.md b/SECURITY.md
index 14ad367..e521fb8 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -67,6 +67,14 @@ not normal deployment.
 
 ### Rendezvous relay
 
+**A relay that cannot testify.** Miranda is named after the warning — *you have
+the right to remain silent* — and the relay in the middle has no choice about
+it: terminal bytes only ever reach it as Noise ciphertext, so it cannot testify
+to what you typed, under subpoena or after a breach. That covers plaintext and
+nothing more; the relay still sees the metadata listed below, still holds
+encrypted registry blobs while an agent is live, and still persists owner-signed
+revocation tombstones.
+
 The relay matches owner/machine IDs, forwards one-shot SDP messages, bridges pairing
 rooms, serves temporary TURN credentials when configured, retains encrypted
 registry blobs only with live agent registrations, and persists owner-signed
diff --git a/docs/naming.md b/docs/naming.md
index ec0831e..0e26f3e 100644
--- a/docs/naming.md
+++ b/docs/naming.md
@@ -14,6 +14,12 @@ on Prospero the magician's island, *"O brave new world, that has such people in'
 — which fits the "definitely magic" tone and opens a thematic name system for the
 components.
 
+**Told in the product since 2026-08-31.** The warning story now opens the relay's
+section in [`SECURITY.md`](../SECURITY.md) ("a relay that cannot testify") and has
+a short "Why the name?" section in [`README.md`](../README.md), with one line of
+the Shakespeare layer for warmth. Those two are the only places it ships; this
+file stays the source and the full record.
+
 ## Criteria
 
 - Short, memorable, pronounceable; brandable.