DOC: minor changes in .apply section

Author: jreback

doc/source/basics.rst

@@ -557,12 +557,11 @@ will either be of lower dimension or the same dimension.
 about a data set. For example, suppose we wanted to extract the date where the
 maximum value for each column occurred:
 
-
 .. ipython:: python
 
    tsdf = DataFrame(randn(1000, 3), columns=['A', 'B', 'C'],
                     index=date_range('1/1/2000', periods=1000))
-   tsdf.apply(lambda x: x[x.idxmax()])
+   tsdf.apply(lambda x: x.idxmax())
 
 You may also pass additional arguments and keyword arguments to the ``apply``
 method. For instance, consider the following function you would like to apply: