Refine comments for clarity on random number generation logic

Author: rahanasuleiman8-ship-it

Sprint-2/1-key-exercises/4-random.js

@@ -6,7 +6,11 @@ const maximum = 100; // Sets the highest possible number that can be generated
 // Try breaking down the expression and using documentation to explain what it means
 // It will help to think about the order in which expressions are evaluated
 
-const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum; // calculates the total count of all possible whole numbers between minimum and maximum.
+const num = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum; // calculates the total number of possible values between minimum and maximum, inclusive.
+// Multiplying Math.random() by this total count of numbers gives a random float from 0 up to (but not including) that count.
+// Adding + minimum at the end shifts the whole set of numbers up so that the lowest possible value becomes minimum rather than 0.
+
+2
 // Math.random() returns a random decimal between 0 and 1
 // Math.random() * maximum(100) returns a random decimal between 0 and 99.999  
 // Math.floor() rounds up the decimal to the nearest whole number