Add comments explaining SyntaxError due to invalid identifier names

Author: moses77-boop

Sprint-2/2-mandatory-errors/4.js

@@ -1,4 +1,7 @@
 const 12HourClockTime = "8:53pm";
 const 24hourClockTime = "20:53";
 
-console.log(12HourClockTime, 24hourClockTime);
+console.log(12HourClockTime, 24hourClockTime);
+
+//There is a SyntaxError after running the code.
+//This error occurred because the identifiers '12HourClockTime' and '24hourClockTime' both start with a digit.