Added readability comment, blank line, and fixed header text

Author: lamlakamana-oss

Sprint-3/3-mandatory-implement/3-to-pounds.js

@@ -1,15 +1,16 @@
-// In Sprint-2, there is a program written in 3-mandatory-interpret/3-to-pounds.js
+// In Sprint-1, there is a program written in 3-mandatory-interpret/3-to-pounds.js
 
 // You will need to take this code and turn it into a reusable block of code.
 // You will need to declare a function called toPounds with an appropriately named parameter.
 
 // You should call this function a number of times to check it works for different inputs
+
 function toPounds(penceString) {
   const penceStringWithoutTrailingP = penceString.substring(
     0,
     penceString.length - 1
   );
-
+  // padStart ensures at least 3 digits (e.g., "5" becomes "005")
   const paddedPenceNumberString = penceStringWithoutTrailingP.padStart(3, "0");
   const pounds = paddedPenceNumberString.substring(
     0,