[vtkusers] Bug in the documentation of vtkQuadraticTetra

[Jose Paulo Moitinho de Almeida]

Hello

While browsing the documentation for vtkQuadraticTetra I read this:

The ordering of the ten points defining the cell is point ids (0-3,4-9) where 
ids 0-3 are the four tetra vertices; and point ids 4-9 are the midedge nodes 
between (0,1), (1,2), (2,3), (3,0), (0,3), (1,3), and (2,3).

Started drawing it,... and oops, even without drawing, it cannot be right. 
Using the force (sorry, the source) confirms that the correct text is:

the midedge nodes between (0,1), (1,2), (2,0), (0,3), (1,3), and (2,3).

Regards

Ze Paulo