Simplifying the disable option description for restorePositions.

readme.md

@@ -94,7 +94,7 @@ Disable parallaxing.
 
 __Parameters__
 
-`restorePositions` — Boolean: (optional) resets all previously defined layers to their original positions. Useful when combining Plax with functions to hide and show various parts of the page, a good example being [turn.js](http://www.turnjs.com/) [(github repo)](https://github.com/blasten/turn.js).
+`restorePositions` — Boolean: (optional) resets all previously defined layers to their original positions when plax is deactivated. 
 
 `clearLayers` — Boolean: (optional) clears all previously defined layers when disabling.