Update bitwiseXor.adoc

Missin g an X in front of OR in the description of the example, as pointed out in #286

Author: SimonePDA

Language/Structure/Bitwise Operators/bitwiseXor.adoc

@@ -49,7 +49,7 @@ int z = x ^ y;  // binary: 0110, or decimal 6
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 [%hardbreaks]
 
-The ^ operator is often used to toggle (i.e. change from 0 to 1, or 1 to 0) some of the bits in an integer expression. In a bitwise OR operation if there is a 1 in the mask bit, that bit is inverted; if there is a 0, the bit is not inverted and stays the same. Below is a program to blink digital pin 5.
+The ^ operator is often used to toggle (i.e. change from 0 to 1, or 1 to 0) some of the bits in an integer expression. In a bitwise XOR operation if there is a 1 in the mask bit, that bit is inverted; if there is a 0, the bit is not inverted and stays the same. Below is a program to blink digital pin 5.
 
 [source,arduino]
 ----
@@ -82,4 +82,4 @@ delay(100);
 * #EXAMPLE# https://www.arduino.cc/playground/Code/BitMath[BitMath Tutorial^]
 
 --
-// SEE ALSO SECTION ENDS
+// SEE ALSO SECTION ENDS