docs(ngClick): improve style

Author: Carlo s A. Guillen

src/ngTouch/directive/ngClick.js

@@ -94,9 +94,9 @@ ngTouch.directive('ngClick', ['$parse', '$timeout', '$rootElement',
   // encapsulates this ugly logic away from the user.
   //
   // Why not just put click handlers on the element?
-  // We do that too, just to be sure. The problem is that the tap event might have caused the DOM
-  // to change, so that the click fires in the same position but something else is there now. So
-  // the handlers are global and care only about coordinates and not elements.
+  // We do that too, just to be sure. If the tap event caused the DOM to change,
+  // it is possible another element is now in that position. To take account for these possibly distinct elements,
+  // the handlers are global and care only about coordinates.
 
   // Checks if the coordinates are close enough to be within the region.
   function hit(x1, y1, x2, y2) {