BUG: Documentation typo found by Alan Jackson.
BUG: Documentation typo found by Alan Jackson.

ContinuumIO/chaco,burnpanck/chaco,tommy-u/chaco,ContinuumIO/chaco,tommy-u/chaco,burnpanck/chaco,burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,tommy-u/chaco