diff --git a/18/main.py b/18/main.py
index 89b7fb7..566e9a7 100644
--- a/18/main.py
+++ b/18/main.py
@@ -3,7 +3,8 @@ import math
 import numpy as np
 
 
-# Find the maximum path sum of the triangle below
+# Find the maximum path sum of the triangle below, if you follow a path that
+# starts at the top and goes down, choosing one of either value below you
 
 
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