diff --git a/Sonoff-Basic.md b/Sonoff-Basic.md
index 3d87469e..aab58455 100644
--- a/Sonoff-Basic.md
+++ b/Sonoff-Basic.md
@@ -9,5 +9,5 @@ Please see the [Hardware Preparation](https://github.com/arendst/Sonoff-Tasmota/
 
 <img alt="Sonoff Basic connection diagram" src="https://user-images.githubusercontent.com/2870104/30516551-ed12d69e-9b42-11e7-8373-1bfbbf346839.png" width="50%" align="right" />
 
-You need to access the serial interface. The **four serial pins** (3V3, Rx, Tx, GND) are available in the middle of the PCB, right next to the on-board button. Newer version of the Sonoff module provide five pins below the button, ignore the pin furthest away from the Button (pin 5) if available. The square pin right next to the button is the 3.3V line.
+You need to access the serial interface. The **four serial pins** (3V3, Rx, Tx, GND) are available in the middle of the PCB, right next to the on-board button. Newer version of the Sonoff module provide five pins below the button, ignore the pin furthest away from the Button (GPIO14) if available. The square pin right next to the button is the 3.3V line.