update Changelog

Author: brandonaaron

ChangeLog.md

@@ -5,7 +5,7 @@
 * Deprecating delta, deltaX, and deltaY event handler arguments
 * Update actual event object with normalized deltaX and deltaY values (event.deltaX, event.deltaY)
 * Add deltaFactor to the event object (event.deltaFactor)
-* Handle > 0 but < 1 deltas better (Firefox)
+* Handle > 0 but < 1 deltas better
 * Do not fire the event if deltaX and deltaY are 0
 * Better handle different devices that give different lowestDelta values
 * Add $.event.special.mousewheel.version