Update Device-Recovery.md

added warning for FPCDR

Author: blakadder

help/Device-Recovery.md

@@ -13,10 +13,15 @@ Listed below are a few ways to reset the device to what is set in the firmware b
 - Issue `Reset 1` command via the console, MQTT or HTTP. After the device reboots fully cycle power.  
 - Fast Power Cycle Device Recovery procedure:
 
-Fast power cycle device recovery is implemented for situations where a device cannot be reset to firmware defaults by other means (no serial access, no button). It resets all Tasmota settings (equal to [`Reset 1`](Commands#reset)) after 4 power cycles.
+### Fast Power Cycle Device Recovery
+
+Implemented for situations where a device cannot be reset to firmware defaults by other means (no serial access, no button). It resets ***ALL*** Tasmota settings (equal to [`Reset 1`](Commands#reset)) after 4 power cycles.
 
 [`SetOption65`](Commands#setoption65) must be set to `0` *(default)* in order for this feature to be enabled.
 
+> [!TIP]
+> If you have a weak power grid or frequent power brownouts its best to disable this feature with `SetOption65 1` immediately or you'll end up with firmware default devices after a brownout event.
+
 #### Procedure:
 1. Cut power from the device completely for 30 seconds
 2. Power the device on and off three times with intervals lower than 10 seconds and leave it on after fourth time