diff --git a/python3.html.markdown b/python3.html.markdown
index 2398e7ac..1f9d0e42 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -689,7 +689,7 @@ i.age  # => raises an AttributeError
 
 # You can import modules
 import math
-print(math.sqrt(16))  # => 4
+print(math.sqrt(16))  # => 4.0
 
 # You can get specific functions from a module
 from math import ceil, floor