README: mention the supported sites in the README file

diff --git a/README b/README
index 0ebe37c..8612636 100644 (file)
--- a/README
+++ b/README
@@ -24,14 +24,22 @@ whom you are friend to.
 
 [1] http://www.urbandictionary.com/define.php?term=TWEEPER&defid=3743173
 
-Tweeper can be used via web or as a command line program, for example as
-a filter in your feed reader, by passing the URL of the user's public timeline
-as the first argument.
-
 Tweeper can easily scrape sites other than Twitter, it is just a matter of
 writing an xsl stylesheet for the transformation; an example for pump.io
 activity stream is provided in rss_converter_pump.io.xsl
 
+The currently supported sites are:
+
+  * Twitter.com
+  * Pump.io based websites, like Identi.ca
+  * Dilbert.com
+  * Howtoons.com
+  * Instagram.com
+
+Tweeper can be used via web or as a command line program, for example as
+a filter in your feed reader, by passing the URL of the user's public timeline
+as the first argument.
+
 Example of use on the command line:
 
   $ php tweeper.php http://twitter.com/NSACareers