update README

README

@@ -23,7 +23,7 @@ Features Overview
 	Updates: http://tt-rss.spb.ru/trac/wiki/FeatureList
 
 	* Server-side application, user only needs a web browser
-	* Supports RSS, RDF, Atom feeds using Magpie library
+	* Supports RSS, RDF, Atom feeds using Magpie or SimplePie library
 	* Supports OPML import/export
 	* Easy setup and configuration
 	* Streamlined interface using XmlHttpRequest (or AJAX for laypeople)
@@ -40,7 +40,8 @@ Requirements
 
 	* Web server, for example Apache
 	* PHP (requires PHP4 DOMXML extension)
-	* MagpieRSS feed parser (http://magpierss.sourceforge.net/)
+	* MagpieRSS feed parser (http://magpierss.sourceforge.net/) OR
+	* SimplePie feed parser (http://simplepie.org/)
 
 	* PostgreSQL (tested on 7.4) or MySQL (InnoDB and version 4.1+ required)