Update index.md to trigger CI

Author: tannewt

1209/4E00/index.md

@@ -9,4 +9,4 @@ source: https://github.com/manoukianv/LedExtender
 LedExtender is a OpenSource firwmare to build a StripLed which light informations from SimRacing games.
 The firmware received data from SimHub and show status with led color.
 
-This firmware is developped for RP2040 and WS2812.
+This firmware is developed for RP2040 and WS2812.