Update README.md

README.md

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 # SeoPack
 
-A library packed with lots of SEO goodness for ASP.Net MVC projects. Get access to a bunch of Html Seo Helper methods for rendering SEO compliant Html tags including Open Graph tags. Please see "Planned features" below for other SEO features to come.
+A library packed with lots of SEO goodness for ASP.Net MVC projects. Get access to a bunch of SEO Helper methods for rendering SEO compliant Html tags and for generating SEO Friendly Urls based on a set of predefined url policies. Please see "Planned features" below for other SEO features to come.
 
-The Html SEO Helper methods are extension methods of the ASP.Net MVC HtmlHelper class. These helper methods render SEO compliant html tags according to the recommendations defined in the [MOZ SEO Cheat Sheet](https://d2eeipcrcdle6.cloudfront.net/seo-cheat-sheet.pdf) for Web developers.
+The Html SEO Helper methods are extension methods of the ASP.Net MVC HtmlHelper class. These render SEO compliant html tags according to the recommendations defined in the [MOZ SEO Cheat Sheet](https://d2eeipcrcdle6.cloudfront.net/seo-cheat-sheet.pdf) for Web developers.
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+The Url SEO Helper methods are extension methods of the ASP.Net MVC UrlHelper class. These generate outbound Route and Action SEO Friendly Urls based on a predefined set of url policies. Url policies are also applied to inbound urls via the RedirectToSeoFriendlyUrlAttribute filter. So you end up with a consistent set of url policies that apply to both inbound and outbound urls. The concept of url policies was inspired by the [Canonicalize](https://github.com/schourode/canonicalize) library.
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+At the heart of creating SEO Friendly Urls is the SeoFriendlyUrl class. The class runs a url through the url policies and ensures that the resultant url is one that conforms to the predefined url policies.
 
 ### Supported Html Tags
 1. Title