Merge pull request matplotlib#8219 from serv-inc/patch-1

[DOC] [MRG+1] Plural of axis is axes

Author: WeatherGod

doc/users/pyplot_tutorial.rst

@@ -288,7 +288,7 @@ details.  More examples can be found in
 :ref:`pylab_examples-annotation_demo`.
 
 
-Logarithmic and other nonlinear axis
+Logarithmic and other nonlinear axes
 ====================================
 
 :mod:`matplotlib.pyplot` supports not only linear axis scales, but also