Correct misspelled word in comment

This misspelled (mislocalized?) word was causing the spell check to fail

Author: per1234

libraries/Wire/examples/i2c_scanner/i2c_scanner.ino

@@ -6,7 +6,7 @@
 //    can be found in many places.
 //    For example on the Arduino.cc forum.
 //    The original author is not known.
-// Version 2, Juni 2012, Using Arduino 1.0.1
+// Version 2, June 2012, Using Arduino 1.0.1
 //     Adapted to be as simple as possible by Arduino.cc user Krodal
 // Version 3, Feb 26  2013
 //    V3 by louarnold