diff --git a/Retron-77.md b/Retron-77.md
index 02eb00e..13bb975 100644
--- a/Retron-77.md
+++ b/Retron-77.md
@@ -39,7 +39,7 @@ There is a single UART header (labelled as UART0) on the mainboard that can be u
 
 The external micro USB connector has its data lines connected and can be used to connect USB peripherals (in conjunction with an USB OTG adaptor to power the device). In addition, there is an additional USB port exposed on the board as JP1:
 
-[[https://github.com/stella-emu/stella-emu.github.io/blob/master/r77/uart.jpg]]
+[[https://github.com/stella-emu/stella-emu.github.io/blob/master/r77/r77_usb_header.png]]
 
 Credit for discovering this (both header and micro USB) goes to Fluxit on AtariAge.