Update README

README.md

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 ![Mozilla Add-on Users](https://img.shields.io/amo/users/open-in-popup-window)
 ![Mozilla Add-on Stars](https://img.shields.io/amo/stars/open-in-popup-window)
 
-<a href="https://addons.mozilla.org/firefox/addon/open-in-popup-window/"><img src="https://user-images.githubusercontent.com/585534/107280546-7b9b2a00-6a26-11eb-8f9f-f95932f4bfec.png" alt="Get for Firefox"></a>
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 This tiny extension provides ability to quickly preview links without leaving the current page context. It adds entry in context menu of links, and when clicked, opens new small window without tab bar and addressbar at cursor position. 
 
 It also provides the ability to open any image in a popup window, as well as use drag and drop to create popup windows for links and images (disabled by default)
 
 Extension provides several options for popup height/width, whether to show browser controls, and whether to close the popup when origin window regains focus (for example, user clicked outside of popup), and many others! 
 
+<a href="https://addons.mozilla.org/firefox/addon/open-in-popup-window/"><img src="https://user-images.githubusercontent.com/585534/107280546-7b9b2a00-6a26-11eb-8f9f-f95932f4bfec.png" alt="Get for Firefox"></a>
+
 <img src="./screenshots/context-menu.png">
 
 <img src="./screenshots/open-in-popup-screenshot.png">