Fix typo

Status Job ID Name Coverage
  External
passed cdash

passed ghostflow-branch-check-master

failed smtk@master-kerbin-windows-shared-release+examples+remus

00:01:28

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

00:00:36

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+python3+remus+vtk

00:00:05

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus

00:00:26

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus+vtk

00:03:27

running smtk@master-norkit-osx-shared-release+examples+matplotlib

1097:53:49

running smtk@master-praxis-windows-shared-release

1097:53:45

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

00:00:42

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib

00:00:23

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

00:00:33

passed cdash