Fix a typo in the README
Fix a typo in the README

WeAreLeka/Arduino-Makefile,WeAreLeka/Arduino-Makefile,tuna-f1sh/Arduino-Makefile,sej7278/Arduino-Makefile,marioaugustorama/Arduino-Makefile,sudar/Arduino-Makefile,WeAreLeka/Arduino-Makefile,sej7278/Arduino-Makefile,marioaugustorama/Arduino-Makefile,tuna-f1sh/Arduino-Makefile,sudar/Arduino-Makefile