diff --git a/deploy/production-stable-updater.sh b/deploy/production-stable-updater.sh
index 8411399..41ab263 100644
--- a/deploy/production-stable-updater.sh
+++ b/deploy/production-stable-updater.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Stable-only production updater.  Candidate slots are managed exclusively by
-# run-production-canary.sh and Supervisor; this controller never starts or
-# reconciles a candidate service.
+# Stable-only production updater. Candidate slots are managed exclusively by
+# their isolated release command and Supervisor; this controller never starts
+# or reconciles a candidate service.
 BASE_DIR="${BASE_DIR:-/home/m/assistant-deploy}"
 REPO_DIR="${REPO_DIR:-$BASE_DIR/repo}"
 ENV_FILE="${ENV_FILE:-$BASE_DIR/production-compose.env}"