diff --git a/number_of_upper_lower_case_letter.py b/number_of_upper_lower_case_letter.py
index c98e80c..9ba2e44 100644
--- a/number_of_upper_lower_case_letter.py
+++ b/number_of_upper_lower_case_letter.py
@@ -14,3 +14,4 @@ def string_test(s):
     print ("No. of Lower case Characters : ", d["LOWER_CASE"])
 
 string_test('The quick Brow Fox')
+#what you want to do in this code?