diff --git a/src/data/profile_features.py b/src/data/profile_features.py
index af5565f..f81a21a 100644
--- a/src/data/profile_features.py
+++ b/src/data/profile_features.py
@@ -62,6 +62,7 @@ def distance_to_intersection(lat,lon,orientation,line_strings):
         if not intersection_points.is_empty:
             return intersection_points.distance(start_point)
 
+    # If no intersections are found, return nothing.
     return None
 
 def get_sites_dune_crest_toe():