diff --git a/English_Num.cpp b/English_Num.cpp
index 81da116..1ac2812 100644
--- a/English_Num.cpp
+++ b/English_Num.cpp
@@ -1,4 +1,4 @@
-//convert the input number into the letters
+//convert the input number into the letters.
 #include<iostream>
 #include<string>
 using namespace std;