diff --git a/README.md b/README.md
index a3fb586b..958fd759 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ Depending on board hardware following features are supported:
 - Real Time Clock (Maxim DS3231 I2C)
 - IF482 (serial) and DCF77 (gpio) time telegram generator
 - Switch external power / battery
-- 64x16 pixel LED Matrix display (similar to [this model](https://www.instructables.com/id/64x16-RED-LED-Marquee/))
+- 64x16 pixel LED Matrix display (similar to [this model](https://www.instructables.com/id/64x16-RED-LED-Marquee/), can be ordered on [Aliexpress](https://www.aliexpress.com/item/P3-75-dot-matrix-led-module-3-75mm-high-clear-top1-for-text-display-304-60mm/32616683948.html))
 
 Target platform must be selected in [platformio.ini](https://github.com/cyberman54/ESP32-Paxcounter/blob/master/platformio.ini).<br>
 Hardware dependent settings (pinout etc.) are stored in board files in /hal directory. If you want to use a ESP32 board which is not yet supported, use hal file generic.h and tailor pin mappings to your needs. Pull requests for new boards welcome.<br>