Update license info

Author: xriley

README.md

@@ -11,9 +11,9 @@ Although the template is primarily designed for project documentation, you can a
 
 ## Author & License
 
-This Bootstrap template is made by UX/UI designer [Xiaoying Riley](https://twitter.com/3rdwave_themes) for developers and is 100% FREE under the [Creative Commons Attribution 3.0 License (CC BY 3.0)](http://creativecommons.org/licenses/by/3.0/)
+This Bootstrap template is made by UX/UI designer [Xiaoying Riley](https://twitter.com/3rdwave_themes) for developers and is 100% FREE as long as you **keep the footer attribution link**. You do not have the rights to resell, sublicense or redistribute (even for free) the template on its own or as a separate attachment from any of your work.
 
-If you'd like to **use the template without the attribution**, you can [buy the **commercial license** via the theme website](https://themes.3rdwavemedia.com/bootstrap-templates/startup/prettydocs-free-bootstrap-theme-for-developers-and-startups/)
+If you'd like to **use the template without the footer attribution**, you can [buy the **commercial license** via the theme website](https://themes.3rdwavemedia.com/bootstrap-templates/startup/prettydocs-free-bootstrap-theme-for-developers-and-startups/)
 
 #### Follow Xiaoying