Fix typo in readme

Author: cmaglie

README.md

@@ -4,7 +4,7 @@ Arduino
 * Arduino is an open-source physical computing platform based on a simple I/O
 board and a development environment that implements the Processing/Wiring
 language. Arduino can be used to develop stand-alone interactive objects or
-can be connected to software on your computer (e.g. Flash, Processing, and MaxMSP).
+can be connected to software on your computer (e.g. Flash, Processing and MaxMSP).
 The boards can be assembled by hand or purchased preassembled; the open-source
 IDE can be downloaded for free at http://www.arduino.cc/en/Main/Software