Updated README for clarity

README.md

@@ -43,9 +43,9 @@ Setting up IO expanders (This example was tested on a quick2wire board with one
 
 **General IO:**
 
-	wiringpi2.pinMode(1,1) // Set pin 1 to output
-	wiringpi2.digitalWrite(1,1) // Write 1 HIGH to pin 1
-	wiringpi2.digitalRead(1) // Read pin 1
+	wiringpi2.pinMode(6,1) // Set pin 6 to 1 ( OUTPUT )
+	wiringpi2.digitalWrite(6,1) // Write 1 ( HIGH ) to pin 6
+	wiringpi2.digitalRead(6) // Read pin 6
 
 **Setting up a peripheral:**
 WiringPi2 supports expanding your range of available "pins" by setting up a port expander. The implementation details of