Adding topics is a role based ability. You should be able to add tags if you are a project owner or if you have the maintainer role on the team.
I checked https://github.com/orgs/apache/teams no one on the sling team has the maintainer role - Jason On Thu, Feb 22, 2018, at 5:22 AM, Bertrand Delacretaz wrote: > Hi, > > I don't see the "Add Topics" link on > https://github.com/apache/sling-site for example, although that links > does show up on my own fork of that repository. > > Which led me to think that topics are not enabled in the GitHub apache > organization - but now I see that > https://github.com/apache/incubator-openwhisk-website for example does > use topics. > > Am I missing something obvious? I'll ask infra if Sling folks cannot help. > > -Bertrand