@timhoffm comments

Author: story645

examples/color/colormap_reference.py

@@ -5,6 +5,9 @@
 
 Reference for colormaps included with Matplotlib.
 
+A reversed version of each of these colormaps is available by appending
+``_r`` to the name, as illustrated in :ref:`reverse-cmap`.
+
 See :doc:`/tutorials/colors/colormaps` for an in-depth discussion about
 colormaps, including colorblind-friendliness.
 """
@@ -64,15 +67,13 @@ def plot_color_gradients(cmap_category, cmap_list):
 
 
 ###############################################################################
+# .. _reverse-cmap:
 # Reversing a colormap
 # --------------------
 #
-# A reversed version of any colormap is available by appending ``_r`` to the
-# name, for example:
+# A colormap can be reversed by appending ``_r`` to the name. For example:
 
-plot_color_gradients("Reversed ",
-                     ['viridis_r', 'Greys_r', 'PiYG_r',
-                      'twilight_r', 'Pastel1_r', 'ocean_r'])
+plot_color_gradients("Original and reversed ", ['viridis', 'viridis_r'])
 
 #############################################################################
 #