diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index 0b1df77..6135e8e 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -149,9 +149,9 @@ re-dialling is the client's job. Noticing the loss and redelivering is the Orin'
 
 Measured on the USB path (tablet ↔ PD hub ↔ Orin, 2026-10-09): cutting PD power
 resets the hub's data port, and the link is back within ~3.5 s with no
-intervention. Longer outages measured early on were the tablet sleeping on
-battery, not the link. In the car this happens at every ignition
-change. Design for it as normal operation. Requirements, not yet implemented:
+intervention. In the car that happens at every ignition change, cranking
+included. Longer outages measured early on were the tablet sleeping on battery,
+not the link. Design for drops as normal operation. Requirements, not yet implemented:
 
 - **Failure detection on the Orin.** An app-level heartbeat with a timeout of a
   few seconds, not TCP alone. A connection on a link that went down can stay