Update README.md

README.md

@@ -12,7 +12,7 @@ the Internet of Things device, ESP8266. This application runs on
 Windows, Mac OS X and Linux.
 
 This tool flashes (installs) the Espruino JavaScript run time on ESP8266
-EP-12 devices like the Adafruit Huzzah and Adadfruit Feather Huzzah.
+EP-12 devices like the Adafruit Huzzah and Adafruit Feather Huzzah.
 
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