Add more info about how to call Tweeper from command line

diff --git a/README b/README
index 46a2fe5..ea99caf 100644 (file)
--- a/README
+++ b/README
@@ -24,7 +24,8 @@ 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.
+a filter in your feed reader, by passing the user's "screen name" (without the
+'@') as the first argument.
 
 Example of use on the command line: