Small logical fix in filter() example description.

Doc/tutorial/datastructures.rst

@@ -171,7 +171,7 @@ There are three built-in functions that are very useful when used with lists:
 the sequence for which ``function(item)`` is true. If *sequence* is a
 :class:`string` or :class:`tuple`, the result will be of the same type;
 otherwise, it is always a :class:`list`. For example, to compute a sequence of
-numbers not divisible by 2 and 3::
+numbers not divisible by 2 or 3::
 
    >>> def f(x): return x % 2 != 0 and x % 3 != 0
    ...