--- a/rset.py	Sun Nov 29 23:48:22 2009 +0100
+++ b/rset.py	Mon Nov 30 17:48:01 2009 +0100
@@ -452,7 +452,6 @@
     @cached
     def column_types(self, col):
         """return the list of different types in the column with the given col
-        index default to 0 (ie the first column)
 
         :type col: int
         :param col: the index of the desired column