Fix 12-hour and 24-hour clock values

Author: khalidbih

Sprint-1/2-mandatory-errors/4.js

@@ -1,2 +1,2 @@
-const 12HourClockTime = "20:53";
-const 24hourClockTime = "08:53";
+const time24h = "20:53";
+const time12h = "08:53";