diff --git a/mathgenerator/funcs/binomial_distribution.py b/mathgenerator/funcs/binomial_distribution.py
index b47830a..8fc5f95 100644
--- a/mathgenerator/funcs/binomial_distribution.py
+++ b/mathgenerator/funcs/binomial_distribution.py
@@ -6,11 +6,11 @@ def factorial(n):
     if n == 1 or n == 0:
         return 1
     else:
-        return n*factorial(n-1)
+        return n * factorial(n-1)
 
 
 def newton_symbol(n, k):
-    return factorial(n)/(factorial(k)*factorial(n-k))
+    return factorial(n) / (factorial(k) * factorial(n-k))
 
 
 def binomialDistFunc():