Correct and improve examples

Author: oscargus

examples/axes_grid1/inset_locator_demo2.py

@@ -1,12 +1,15 @@
 """
-===================
-Inset Locator Demo2
-===================
+====================
+Inset Locator Demo 2
+====================
 
 This Demo shows how to create a zoomed inset via `.zoomed_inset_axes`.
 In the first subplot an `.AnchoredSizeBar` shows the zoom effect.
 In the second subplot a connection to the region of interest is
 created via `.mark_inset`.
+
+A version of the second subplot, not using the toolkit, is available in
+:doc:`/gallery/subplots_axes_and_figures/zoom_inset_axes`.
 """
 
 from matplotlib import cbook

examples/axisartist/demo_floating_axes.py

@@ -9,8 +9,8 @@
   the plot.
 * Using `~.floating_axes.GridHelperCurveLinear` to rotate the plot and set the
   plot boundary.
-* Using `~.floating_axes.FloatingSubplot` to create a subplot using the return
-  value from `~.floating_axes.GridHelperCurveLinear`.
+* Using `~.Figure.add_subplot` to create a subplot using the return value from
+  `~.floating_axes.GridHelperCurveLinear`.
 * Making a sector plot by adding more features to
   `~.floating_axes.GridHelperCurveLinear`.
 """