diff --git a/20/main.py b/20/main.py
index 9bd4ca3..d596a0a 100644
--- a/20/main.py
+++ b/20/main.py
@@ -2,6 +2,7 @@ import os
 import math
 import numpy as np
 
+# Get the sum of all the digits of 100!
 
 def fac(n):
 	if n == 0: