Update README.md

Author: earlephilhower

README.md

@@ -5,7 +5,7 @@ and uploads the image to ESP8266 flash memory.
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 ## Arduino IDE 2.x users
-Please see the [arduino-littlefs-plugin](https://github.com/earlephilhower/arduino-littlefs-upload) for use under IDE 2.2.1 or lateer
+Please see the [arduino-littlefs-plugin](https://github.com/earlephilhower/arduino-littlefs-upload) for use under IDE 2.2.1 or later
 
 ## Installation
 - Make sure you use one of the supported versions of Arduino IDE and have ESP8266 core installed.