diff --git a/Prerequisites.md b/Prerequisites.md
index c0def50d..fb9d6912 100644
--- a/Prerequisites.md
+++ b/Prerequisites.md
@@ -14,6 +14,8 @@ Any [variation](https://en.wikipedia.org/wiki/ESP8266#Espressif_modules) of the
 * [RaspberryPi](https://github.com/arendst/Sonoff-Tasmota/wiki/Flash-Sonoff-using-Raspberry-Pi) - only for advanced users.
 * [NodeMCU](https://en.wikipedia.org/wiki/NodeMCU) and [D1 mini](https://wiki.wemos.cc/products:d1:d1_mini) (Pro/Lite) boards have a micro USB upload port and don't require an adapter.
 
+Don't forget to install drivers for your serial-to-USB adapter.
+
 ***Some adapters can be switched between 3.3V and 5V for the data pins, but still provide 5V on the power pin which will fry your device.  You **MUST** make sure both the **data** and **VCC** pins are set for 3.3V.***
 ### Soldering equipment
 To solder you'll of course need a soldering iron, soldering tin and some flux. If you're new to soldering check out some soldering tutorial videos while you're at it.