fix typo in comment

svn path=/trunk/matplotlib/; revision=7581

Author: Jeff Whitaker

examples/pylab_examples/shading_example.py

@@ -4,14 +4,14 @@
 
 # example showing how to make shaded relief plots 
 # like mathematica
-# (http://reference.wolfram.com/mathematica/ref/ReliefPlot.html )
+# (http://reference.wolfram.com/mathematica/ref/ReliefPlot.html)
 # or Generic Mapping Tools
 # (http://gmt.soest.hawaii.edu/gmt/doc/gmt/html/GMT_Docs/node145.html)
 
 # test data
 X,Y=np.mgrid[-5:5:0.05,-5:5:0.05]
 Z=np.sqrt(X**2+Y**2)+np.sin(X**2+Y**2)
-# creat light source object.
+# create light source object.
 ls = LightSource(azdeg=0,altdeg=65)
 # shade data, creating an rgb array.
 rgb = ls.shade(Z,plt.cm.copper)