GIS Science link on https://ohsome.org/apps/osm-history-explorer/ is broken

[rossbernet]

Describe the bug The Link to GIS Science in the top right of this screenshot on this page:

takes me here: https://giscience.uni-heidelberg.de/

Which does not seem to work.

[tyrasd]

Thanks for noticing! :smiley: It will be fixed with a larger update of the website planned for this week. //cc @mcauer