Update README.md

README.md

@@ -2,14 +2,14 @@
 [![npm version](https://badge.fury.io/js/sticky-js.svg)](https://badge.fury.io/js/sticky-js)
 [![Bower version](https://badge.fury.io/bo/sticky.js.svg)](https://badge.fury.io/bo/sticky.js)
 
-[DEMO](https://rgalus.github.io/sticky-js/)
+> Sticky-js is a library for sticky elements written in vanilla javascript. With this library you can easily set sticky elements on your website. It's also responsive.
 
-Sticky-js is a library for sticky elements written in vanilla javascript. With this library you can easily set sticky elements on your website. It's also responsive.
+[DEMO](https://rgalus.github.io/sticky-js/)
 
 ## Features
 
 - Written in vanilla javascript, no dependencies needed
-- Lightweight (minified: ~5.28kb, gzipped: ~1.48kb)
+- Lightweight (minified: ~5.72kb, gzipped: ~1.63kb)
 - It can be sticky to the entire page or to selected parent container
 - No additional CSS needed
 
@@ -87,13 +87,15 @@ Update sticky, e.g. when parent container (data-sticky-container) change height
 ```js
 var sticky = new Sticky('.sticky');
 
+// and when parent change height..
 sticky.update();
 ```
 
 ## Available options
 
 Option | Type | Default | Description
 ------ | ---- | ------- | ----
+data-sticky-wrap | boolean | false | When it's `true` sticky element is wrapped in `<span></span>` which has sticky element dimensions. Prevents content from "jumping".
 data-margin-top | number | 0 | Margin between page and sticky element when scrolled
 data-sticky-for | number | 0 | Breakpoint which when is bigger than viewport width, sticky is activated and when is smaller, then sticky is destroyed
 data-sticky-class | string | null | Class added to sticky element when it is stuck