Fixed typo in readme

Author: Melissa LeBlanc-Williams

README.rst

@@ -19,7 +19,7 @@ Hardware
 =========
 
 This driver does not work for any current Adafruit Displays. It is intended to be used with displays
-with an ST7735B or similar chipset and was created using initilization codes from the Arduino Library.
+with an ST7735B or similar chipset and was created using initialization codes from the Arduino Library.
 If you have a newer Adafruit Display with a ST7735R or ST7735S chip,
 please visit `the Adafruit ST7735R Driver <https://github.com/adafruit/Adafruit_CircuitPython_ST7735R>`_.