diff --git a/python/Day-4.py b/python/Day-4.py
index b5d5d19..4b248cc 100644
--- a/python/Day-4.py
+++ b/python/Day-4.py
@@ -1,5 +1,5 @@
 class Person:
-    # Define the constructor for Person class
+    # Define the constructor for Person class.
     def __init__(self,initialAge):
         if initialAge >= 0:
             self.age = initialAge