diff --git a/README.md b/README.md
index 037f702..c341fb3 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,9 @@ https://gittea.kammenstraatha.duckdns.org/admin/goodwe-addon
 
 then install **GoodWe RS485 Controller**.
 
+Then turn on **Watchdog** on the add-on's Info tab — see
+[Before you start](goodwe_controller/DOCS.md#before-you-start).
+
 ⚠️ **The repository must be PUBLIC for this to work.** Home Assistant clones it
 anonymously; against a private repo the store shows nothing and gives no useful
 error. If it must stay private, install locally instead: copy
diff --git a/goodwe_controller/DOCS.md b/goodwe_controller/DOCS.md
index 2f20647..87f0649 100644
--- a/goodwe_controller/DOCS.md
+++ b/goodwe_controller/DOCS.md
@@ -16,6 +16,11 @@ You need:
 - A T-CAN485 (ESP32) flashed with `firmware/goodwe-master.yaml`
 - A grid-power sensor already working in Home Assistant, updating every ~5–10 s
 
+After installing, turn on **Watchdog** on the add-on's Info tab. A crashed
+control loop stops the add-on at 0 W, and the Supervisor restarts it only when
+Watchdog is on (it is off by default). See
+`DECISIONS/SAFETY-61-control-task-death.md`.
+
 ## The safety model, in short
 
 The inverter **holds its last command forever** — it has no meter-timeout. So: