clarify for...in loop iteration over object keys vs values.

Author: fayaz551

Sprint-2/debug/author.js

@@ -13,6 +13,6 @@ const author = {
   alive: true,
 };
 
-for (const value in author) {
-  console.log(value);
-}
+for (const key in author) {
+  console.log(author[key]); 
+}