diff --git a/sizeof.cpp b/sizeof.cpp
index d5df6bc..3892c96 100644
--- a/sizeof.cpp
+++ b/sizeof.cpp
@@ -5,7 +5,7 @@ using namespace std;
 int main(int argc, char const *argv[]){
 	system("cls");
 	//system("cls") is used to clear screen.
-
+//Sizeof is used to generate size of variable or datatype.
 	cout << "Size of char is " << sizeof(char) << "\n";
 	cout << "Size of signed char is " << sizeof(signed char) << "\n";
 	cout << "Size of unsigned char is " << sizeof(unsigned char) << "\n";