Clean up unit examples:

dstansby · dstansby · commit 6a18d9c0083c · 2017-03-25T16:21:34.000Z
diff --git a/examples/units/artist_tests.py b/examples/units/artist_tests.py
@@ -3,11 +3,11 @@
 Artist tests
 ============
 
-Test unit support with each of the matplotlib primitive artist types
+Test unit support with each of the Matplotlib primitive artist types.
 
-The axes handles unit conversions and the artists keep a pointer to
-their axes parent, so you must init the artists with the axes instance
-if you want to initialize them with unit data, or else they will not
+The axis handles unit conversions and the artists keep a pointer to
+their axis parent, so you must initialize the artists with the axis instance
+if you want to use them with unit data, or else they will not
 know how to convert the units to scalars.
 """
 import random
@@ -38,15 +38,15 @@
     ax.add_collection(lc)
 
 # test a plain-ol-line
-line = lines.Line2D(
-    [0*cm, 1.5*cm], [0*cm, 2.5*cm], lw=2, color='black', axes=ax)
+line = lines.Line2D([0*cm, 1.5*cm], [0*cm, 2.5*cm],
+                    lw=2, color='black', axes=ax)
 ax.add_line(line)
 
 if 0:
     # test a patch
     # Not supported at present.
-    rect = patches.Rectangle(
-        (1*cm, 1*cm), width=5*cm, height=2*cm, alpha=0.2, axes=ax)
+    rect = patches.Rectangle((1*cm, 1*cm), width=5*cm, height=2*cm,
+                             alpha=0.2, axes=ax)
     ax.add_patch(rect)
 
 
diff --git a/examples/units/bar_demo2.py b/examples/units/bar_demo2.py
@@ -3,12 +3,12 @@
 Bar demo with units
 ===================
 
-plot using a variety of cm vs inches conversions.  The example shows
-how default unit instrospection works (ax1), how various keywords can
+A plot using a variety of centimetre vs inches conversions.  This example shows
+how default unit introspection works (ax1), how various keywords can
 be used to set the x and y units to override the defaults (ax2, ax3,
 ax4) and how one can set the xlimits using scalars (ax3, current units
 assumed) or units (conversions applied to get the numbers to current
-units)
+units).
 
 """
 import numpy as np
diff --git a/examples/units/radian_demo.py b/examples/units/radian_demo.py
@@ -3,7 +3,8 @@
 Radian ticks
 ============
 
-Plot with radians from the basic_units mockup example package
+Plot with radians from the basic_units mockup example package.
+
 This example shows how the unit class can determine the tick locating,
 formatting and axis labeling.
 """
