explain variable rename in sprint 2 error 4

Author: Vaidah-dev

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

@@ -2,4 +2,10 @@ const twelveHourClockTime = "8:53pm";
 const twentyFourHourClockTime = "20:53";
 
 console.log(twelveHourClockTime);
-console.log(twentyFourHourClockTime);
+console.log(twentyFourHourClockTime);
+
+// Original code used `12HourClockTime` and `24hourClockTime` as variable names.
+// but these start with numbers, which JavaScript doesn't allow 
+// variable names must start with a letter, underscore, or dollar sign.
+// So I renamed them to `twelveHourClockTime` and `twentyFourHourClockTime`.
+// This avoids the SyntaxError and makes the code run.