diff --git a/README.md b/README.md
index 1b8a52cf4..4907f6c29 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,8 @@ ESP32 modules can be programmed using USB-UART adapter connected to the correspo
 > [!IMPORTANT]
 > Remember to swap Tx and Rx between receiver and sender (i.e. Rx on a sender side becomes Tx on a receiver side).
 
+Connect Tx and Rx to their sorresponding pins (`GPIO03` and `GPIO01`) on ESP32 adapter node.
+
 <img alt="ESP32 Programming via UART" src="https://github.com/alexandrebobkov/ESP-Nodes/blob/main/assets/UART.jpg" width="400px"/>
 
 ## Unified Configuration Framework