**Actual Behaviour** The 404.html file and 500.html file have mentioned wrong year i.e. 2016. <!-- What is the current situation and how is it a problem or how is it not good enough --> **Expected Behaviour** I will change it to 2009-2020 as it is the correct data. <!--State here what the feature should enable and how will it improve the project--> **Screenshots of the issue**  <!--If possible, attach a screenshot of the issue to show the problem(s)--> **Would you like to work on the issue?** Yes, i would like to work on this issue <!--Please let us know if you can work on it or the issue should be assigned to someone else.-->