diff --git a/maths/fibonacci_sequence_recursion.py b/maths/fibonacci_sequence_recursion.py
index 91619600d5b4..794b9fc0bd3a 100644
--- a/maths/fibonacci_sequence_recursion.py
+++ b/maths/fibonacci_sequence_recursion.py
@@ -1,7 +1,7 @@
 # Fibonacci Sequence Using Recursion
 
 
-def recur_fibo(n):
+def recur_fibo(n: int) -> int:
     """
     >>> [recur_fibo(i) for i in range(12)]
     [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
@@ -9,7 +9,7 @@ def recur_fibo(n):
     return n if n <= 1 else recur_fibo(n - 1) + recur_fibo(n - 2)
 
 
-def main():
+def main() -> None:
     limit = int(input("How many terms to include in fibonacci series: "))
     if limit > 0:
         print(f"The first {limit} terms of the fibonacci series are as follows:")