typo

README.md

@@ -9,7 +9,7 @@ Build and run
 
 * Select Due board, exit IDE
 * Edit ~/.arduino15/packages/arduino/hardware/sam/*/platform.txt, to change -Os to -O2 (TODO: test pragma override)
-* Re-enter IDE, install libraries ArduinoSTL, DueTimer, FixedPonts, MIDI Library
+* Re-enter IDE, install libraries ArduinoSTL, DueTimer, FixedPoints, MIDI Library
 * Define CR_UI in chime_red2.ino if running on original CHIME RED I hardware
 * Change pulseWindowUs and breakoutUs in constants.h to suit coil hardare (e.g. set pulseWindowUs to 700 for giant coils; breakoutUs sets absolute minimum gate on time)
 * Upload to CHIME RED I/II