diff --git a/main.cpp b/main.cpp
index 5411e7a3..b79a83eb 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,6 @@
 #include <iostream>
 #include <cmath>
+#include <cstdint>
 
 using std::endl;
 using std::cin;
@@ -8,9 +9,11 @@ using std::cout;
 int main()
 {
     cout << "THE FIRST EXAMPLE MATH DISPLAY!\n";
+    cout << "(Limited to whole numbers between -2,147,483,648 and 2,147,483,647)\n";
     cout << "Hi, please enter two whole numbers: ";
 
-    int x,y;
+
+    int32_t x,y;
 
     cin >> x >> y;
     cout << "Addition: " << x + y << endl;