diff --git a/examples/adaptive_library/TrapezoidalDuct.py b/examples/adaptive_library/TrapezoidalDuct.py
index 7037f59ca..98ce1f70e 100644
--- a/examples/adaptive_library/TrapezoidalDuct.py
+++ b/examples/adaptive_library/TrapezoidalDuct.py
@@ -159,7 +159,7 @@ def check_line_origin_distance(i, duct_region):
 #
 # * Find the top line that makes up the duct.
 #
-# * Modify the start and end points of the line.
+# * Modify the start and end points of the line using the get_coordinate_from_distance() method.
 #
 # * Set the region in Motor-CAD.
 #