diff --git a/examples/find_radius.py b/examples/find_radius.py
index f0ce6368f724276d6bad16a12bc56422af4b820f..b11c9b02f098e3ec768564fda2e70d18293de1aa 100644
--- a/examples/find_radius.py
+++ b/examples/find_radius.py
@@ -26,4 +26,6 @@ gridfile = '/work/bb1018/b380459/NAWDEX/grids/icon-grid_nawdex_78w40e23n80n_'+re
 
 tricco.grid_functions.grid = tricco.prepare_grid(model='ICON', path='/', file=gridfile)
 
+# perform the cubulation with diagnostic output via print_progress=True
+# for each iteration, this prints to screen the number of new triangles for which cubic indices were computed 
 cubulation = tricco.compute_cubulation(start_triangle=start, radius=radius, print_progress=True)