diff --git a/11_Day_Functions/11_functions.md b/11_Day_Functions/11_functions.md
index b09783b..fd82fd7 100644
--- a/11_Day_Functions/11_functions.md
+++ b/11_Day_Functions/11_functions.md
@@ -252,7 +252,7 @@ print(add_two_numbers(2, 3))
 
 def calculate_age (current_year, birth_year):
     age = current_year - birth_year
-    return age 
+    return age
 print('Age: ', calculate_age(2019, 1819))
 ```