Update comment to clarify explanation of return statement in sum function

Author: Payman IB

Sprint-2/2-mandatory-debug/1.js

@@ -9,7 +9,7 @@
 // console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
-//the return statement is not returning any value. a+b declared after return.
+//the return statement is not returning any value. a+b mentioned after return.
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
 function sum(a, b) {