Merge pull request #8 from dhenry7711/patch-1

Update Adafruit_MCP23017.cpp

Author: ladyada

Adafruit_MCP23017.cpp

@@ -213,7 +213,7 @@ uint8_t Adafruit_MCP23017::digitalRead(uint8_t pin) {
  * Mirroring will OR both INTA and INTB pins.
  * Opendrain will set the INT pin to value or open drain.
  * polarity will set LOW or HIGH on interrupt.
- * Default values after Power On Reset are: (false,flase, LOW)
+ * Default values after Power On Reset are: (false, false, LOW)
  * If you are connecting the INTA/B pin to arduino 2/3, you should configure the interupt handling as FALLING with
  * the default configuration.
  */