diff --git a/python/simple_math/simple_math/operations.py b/python/simple_math/simple_math/operations.py
index 8aff697..b2356cd 100644
--- a/python/simple_math/simple_math/operations.py
+++ b/python/simple_math/simple_math/operations.py
@@ -11,5 +11,5 @@ def multiply(a, b):
 
 def divide(a, b):
     if b == 0:
-        raise ValueError("Cannot divide by zero")
+        raise ValueError("Cannot divide by zero!")
     return a / b