matplotlib · dstansby · Feb 26, 2019 · Feb 26, 2019
diff --git a/examples/mplot3d/3d_bars.py b/examples/mplot3d/3d_bars.py
@@ -3,9 +3,7 @@
 Demo of 3D bar charts
 =====================

-A basic demo of how to plot 3D bars with and without
-shading.
-
+A basic demo of how to plot 3D bars with and without shading.
 """

 import numpy as np

diff --git a/examples/mplot3d/lorenz_attractor.py b/examples/mplot3d/lorenz_attractor.py
@@ -1,17 +1,18 @@
-'''
+"""
 ================
 Lorenz Attractor
 ================

-This is an example of plotting Edward Lorenz's 1963 `"Deterministic
-Nonperiodic Flow"
-<http://journals.ametsoc.org/doi/abs/10.1175/1520-0469%281963%29020%3C0130%3ADNF%3E2.0.CO%3B2>`_
-in a 3-dimensional space using mplot3d.
+This is an example of plotting Edward Lorenz's 1963 `"Deterministic Nonperiodic
+Flow"`_ in a 3-dimensional space using mplot3d.

-Note: Because this is a simple non-linear ODE, it would be more easily
-      done using SciPy's ode solver, but this approach depends only
-      upon NumPy.
-'''
+.. _"Deterministic Nonperiodic Flow":
+   http://journals.ametsoc.org/doi/abs/10.1175/1520-0469%281963%29020%3C0130%3ADNF%3E2.0.CO%3B2
+
+.. note::
+   Because this is a simple non-linear ODE, it would be more easily done using
+   SciPy's ODE solver, but this approach depends only upon NumPy.
+"""

 import numpy as np
 import matplotlib.pyplot as plt

diff --git a/examples/mplot3d/voxels_rgb.py b/examples/mplot3d/voxels_rgb.py
@@ -1,10 +1,10 @@
-'''
+"""
 ==========================================
 3D voxel / volumetric plot with rgb colors
 ==========================================

-Demonstrates using ``ax.voxels`` to visualize parts of a color space
-'''
+Demonstrates using `Axes3D.voxels` to visualize parts of a color space.
+"""

 import matplotlib.pyplot as plt
 import numpy as np