fix docs

src/PowerFSM.cpp

@@ -178,8 +178,9 @@ void PowerFSM_setup()
     bool isLowPower = radioConfig.preferences.is_low_power || isRouter;
 
     /* To determine if we're externally powered, assumptions
-        1) If we're powered up and there's no battery, we must be getting power externally.
-        2) If we detect USB power from the power management chip, we must be getting power externally.
+        1) If we're powered up and there's no battery, we must be getting power externally. (because we'd be dead otherwise)
+
+        2) If we detect USB power from the power management chip, we must be getting power externally. 
     */
     bool hasPower = !isLowPower && powerStatus && (!powerStatus->getHasBattery() || powerStatus->getHasUSB());