diff --git a/autotest/prt/test_prt_fmi08.py b/autotest/prt/test_prt_fmi08.py
index 5857d2d778f..e35a3eabeea 100644
--- a/autotest/prt/test_prt_fmi08.py
+++ b/autotest/prt/test_prt_fmi08.py
@@ -5,12 +5,12 @@
 https://flopy.readthedocs.io/en/latest/Notebooks/dis_voronoi_example.html
 
 Two variants are included, first with straight
-pathlines, and then with a well to capture one
-particle and yield more interesting pathlines.
+pathlines, and another with a well to capture 
+particles and give more interesting pathlines.
 
-Particles are released from the central cell
-to which constant concentration is assigned
-in the transport model.
+Particles are released from the x coordinate
+of the constant concentration cell from the
+transport model, along a range of y coords.
 
 TODO: support parallel adjacent cell faces,
 duplicated vertices as flopy.utils.voronoi