[examples] fix bad comment in cylinder.py
@@ -13,7 +13,7 @@ import numpy as np
# Creation of the hdf5 file for input/output
with Hdf5() as io:
- # Definition of a sphere
+ # Definition of a cylinder
R =0.1
L =2.0
io.addPrimitiveShape('Cyl', 'Cylinder', (R, L))
