Additional Update to FAQs regarding Companion OTA

Author: txkbaldlaw

docs/faq.md

@@ -801,7 +801,8 @@ Allow the browser user on it:
 13. If it fails, try turning off and on Bluetooth on your phone.  If that doesn't work, try rebooting your phone.  If you keep getting failures at the "Enabling Bootloader" step, try forgetting the NRF board in your IOS or Andriod device's bluetooth settings and re-pair it through the DFU app.
 14. Wait for the update to complete.  It can take a few minutes.   
 15. It is strongly recommended that you install and use the OTAFIX bootloader at https://github.com/oltaco/Adafruit_nRF52_Bootloader_OTAFIX. 
-16. Please see the Meshcore Blog for additional information on OTA firmware flashing: 
+16. To update a companion node over OTA, it must be running companion firmware v1.15 or greater.   
+17. Please see the Meshcore Blog for additional information on OTA firmware flashing: 
     - https://blog.meshcore.io/2026/04/06/otafix-bootloader
     - https://blog.meshcore.io/2026/04/02/nrf-ota-update