Increase ToC level of bar(h) style change entry.

QuLogic · QuLogic · commit e88b27654d7f · 2016-12-22T18:28:19.000-05:00
This seems like it should go under the "Plotting functions" section, not
as its own top-level entry.
diff --git a/doc/users/dflt_style_changes.rst b/doc/users/dflt_style_changes.rst
@@ -562,7 +562,7 @@ or by setting::
 in your :file:`matplotlibrc` file.
 
 ``bar`` and ``barh``
-====================
+--------------------
 
 The default value of the ``align`` kwarg for both
 `~matplotlib.Axes.bar` and `~matplotlib.Axes.barh` is changed from
