It needs to be clear how people can contribute. I think a note like 'improve this site' might help;
proposed note for content license: All site content, unless otherwise noted, is licensed on a Creative Commons BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) by Open Labs Albania. Trademarks are property of their respective owners.
I propose to have the following notes on the footer:
Don't forget to add respective links.