This should rather read 2017-2021, i.e. the beginning of the RENAA project is 2017, and ending with the current year.
(Similarly to CERN Open Data.)
Alternatively, we can consider removing displaying copyright in the footer, since the value is not clear: the site is mostly for CERN internal use, and many sites at CERN do not display copyright at the bottom. (See also Google, DuckDuckGo, etc.) So having copyright in the footer is less important for REANA than it is for CERN Open Data, say.
The footer has hardcoded copyright year:
This should rather read 2017-2021, i.e. the beginning of the RENAA project is 2017, and ending with the current year.
(Similarly to CERN Open Data.)
Alternatively, we can consider removing displaying copyright in the footer, since the value is not clear: the site is mostly for CERN internal use, and many sites at CERN do not display copyright at the bottom. (See also Google, DuckDuckGo, etc.) So having copyright in the footer is less important for REANA than it is for CERN Open Data, say.