diff --git a/mitterlib/network/twitter.py b/mitterlib/network/twitter.py
index e170d5a..6a69ffb 100644
--- a/mitterlib/network/twitter.py
+++ b/mitterlib/network/twitter.py
@@ -53,6 +53,9 @@ _month_names = [None, 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
 
 
 def htmlize(text):
+    """Convert a normal text to the format required by Twitter (url-encoded
+    and UTF-8 encoded."""
+    # XXX: UTF-8 part is not working as it should, sadly.
     if not isinstance(text, unicode):
         text = unicode(text, 'utf-8')
 #    hex_char = (lambda x: '%' + hex(x)[2:].rjust(2, '0').upper())