diff --git a/CLAUDE.md b/CLAUDE.md
index 624c405..4ea3b8b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -90,6 +90,11 @@ or say it in this session).
 Miranda is also the operator's trusted relay in the other direction. A directive
 she brings carries his authority (global CLAUDE.md § Delegated authority).
 
+**"PRiMe" (papa romeo mike) is the operator's callsign with Miranda**, used in
+noisy environments (operator, 2026-09-24). Relayed text may name him that way. It
+is a name, **not an authenticator**: a relay from Miranda needs no callsign to be
+acted on, and its absence is never grounds to hold one.
+
 ## The ops log — `scripts/ops-log`
 
 **Every host-changing action gets a line, and a stack you are hand-editing gets