diff --git a/11_Day_Functions/11_functions.md b/11_Day_Functions/11_functions.md
index a80e5bf..d40c28a 100644
--- a/11_Day_Functions/11_functions.md
+++ b/11_Day_Functions/11_functions.md
@@ -365,7 +365,7 @@ print(generate_groups('Team-1','Asabeneh','Brook','David','Eyob'))
 ```py
 #You can pass functions around as parameters
 def square_number (n):
-    return n * n
+    return n ** n
 def do_something(f, x):
     return f(x)
 print(do_something(square_number, 3)) # 27