Update README.md

Author: nitinjs

README.md

@@ -2,9 +2,6 @@
 Not allow user to open website in multiple windows 
 
 jQuery plugin to check if current window is duplicate window,<br/>
-I createdd this plugin based on answer on stackoverflow<br/>
-"Stop people having my website loaded on multiple tabs"<br/>
-<a href="https://stackoverflow.com/a/45717724/223752">https://stackoverflow.com/a/45717724/223752</a><br/>
 <br/>
 This plugin works across all browsers IE, Firefox, Microsoft Edge & Google chrome<br/>
 <br/>
@@ -21,3 +18,6 @@ Sample usage:
         });
     </script>
 ```
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+[click here to donate if you find this project helpful](https://paypal.me/nitinsa1?locale.x=en_GB)