Finish comments in "Initial Input Stack" example

README.md

@@ -32,7 +32,7 @@ In this example, we initialize the stack as `[42]`. Then, we add 15 and subtract
 ```Javascript
 import { CodeBox } from "ts-starfish";
 
-const cb = new CodeBox("f-n;", [42]); // Subtract 15 from the first number on the stack, which we provide as 42
+const cb = new CodeBox("f-n;", [42]); // Subtract 15 from the first number on the stack, which we provide as 42. Prints 27
 cb.run();
 ```