From 83258bc2e1628f1dd38f3c150c734ed24e4da4d4 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Mon, 16 Dec 2024 04:24:31 +0000
Subject: [PATCH] Update wiki b25fcc578a2051c132f809a065929b28c2eb0155

---
 How-to-use-keyboard-UART-port-to-flash-firmware.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/How-to-use-keyboard-UART-port-to-flash-firmware.md b/How-to-use-keyboard-UART-port-to-flash-firmware.md
index a6658fb..5a30fe7 100644
--- a/How-to-use-keyboard-UART-port-to-flash-firmware.md
+++ b/How-to-use-keyboard-UART-port-to-flash-firmware.md
@@ -21,10 +21,11 @@ here is the process:
 3 is TX(PA9)   
 4 is RX(PA10)  
 
-
 ## 1st pin of UART on board
 ![7130803](https://github.com/user-attachments/assets/eeed0c0a-ea86-4496-b931-dcc074835eca)
 
+Do not forget to **also connect GND** (ground) between the fpc 6p connector and the serial-usb converter.
+
 ## Flashing command
 
 ```