Update README.md

Author: azertui

README.md

@@ -1,6 +1,6 @@
 [![PlatformIO CI](https://github.com/azertui/KNOMI_waveshare_esp32_s3_touch_lcd_128/actions/workflows/main.yml/badge.svg)](https://github.com/azertui/KNOMI_waveshare_esp32_s3_touch_lcd_128/actions/workflows/main.yml)
 
-# KNOMI2 firmware for Waveshare esp32-s3 touch lcd
+# KNOMI2 firmware for Waveshare esp32-s3 touch lcd 1.28
 
 This is a fork of the KNOMIv2 firmware for this [board](https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-1.28).