added/fixed headers

mitchnegus · mitchnegus · commit db8daaf6b978 · 2017-03-07T21:17:42.000-08:00
diff --git a/examples/mplot3d/2dcollections3d_demo.py b/examples/mplot3d/2dcollections3d_demo.py
@@ -1,7 +1,11 @@
-'''
-Demonstrates using ax.plot's zdir keyword to plot 2D scatterplot data on
+"""
+=======================
+Plot 2D data on 3D plot
+=======================
+
+Demonstrates using ax.plot's zdir keyword to plot 2D data on
 selective axes of a 3D plot.
-'''
+"""
 
 from mpl_toolkits.mplot3d import Axes3D
 import numpy as np
diff --git a/examples/mplot3d/bars3d_demo.py b/examples/mplot3d/bars3d_demo.py
@@ -1,7 +1,11 @@
-'''
+"""
+========================================
+Create 2D bar graphs in different planes
+========================================
+
 Demonstrates making a 3D plot which has 2D bar graphs projected onto
 planes y=0, y=1, etc.
-'''
+"""
 
 from mpl_toolkits.mplot3d import Axes3D
 import matplotlib.pyplot as plt
diff --git a/examples/mplot3d/hist3d_demo.py b/examples/mplot3d/hist3d_demo.py
@@ -1,6 +1,10 @@
-'''
+"""
+==============================
+Create 3D histogram of 2D data
+==============================
+
 Demo of a histogram for 2 dimensional data as a bar graph in 3D.
-'''
+"""
 
 from mpl_toolkits.mplot3d import Axes3D
 import matplotlib.pyplot as plt
diff --git a/examples/mplot3d/pathpatch3d_demo.py b/examples/mplot3d/pathpatch3d_demo.py
@@ -1,6 +1,6 @@
 """
 ============================
-Draw flat objects in 3d plot
+Draw flat objects in 3D plot
 ============================
 
 Demonstrate using pathpatch_2d_to_3d to 'draw' shapes and text on a 3D plot.
diff --git a/examples/mplot3d/polys3d_demo.py b/examples/mplot3d/polys3d_demo.py
@@ -1,6 +1,6 @@
 """
 =============================================
-Generate polygons to fill under 3d line graph
+Generate polygons to fill under 3D line graph
 =============================================
 
 Demonstrate how to create polygons which fill the space under a line 
