Fix misspelling in examples html TOC.

Author: jwpeterson

doc/html/src/examples.html

@@ -165,7 +165,7 @@ <h1>A Series of Example Programs</h1>
 
 <li><L1><a href="examples/miscellaneous_ex7.html">Variational Inequalities and PetscDMNonlinearSolver</a></L1></li>
 
-<li><L1><a href="examples/miscellaneous_ex8.html">Pointclould-based Meshfree Interpolation</a></L1></li>
+<li><L1><a href="examples/miscellaneous_ex8.html">Pointcloud-based Meshfree Interpolation</a></L1></li>
 
 <li><L1><a href="examples/miscellaneous_ex9.html">Thermal "film resistance" with an Interface Term</a></L1></li>