Update README.md

Author: 明城

README.md

@@ -1,5 +1,10 @@
 # PHP Readability Library
 
+If you want to use an up-to-date version of this algorithm,check this newer project: 
+
+https://github.com/andreskrey/readability.php
+
+
 ## Back the fun of reading
 
 The PHP port of [Readability.js by Arc90](http://code.google.com/p/arc90labs-readability/).