Certificate authentication docs in multiple places

A couple of times recently I’ve been chatting with someone about using certificate authentication, and the docs they’ve
foundon it are the ones in section 21.12 (Client Authentication -> Certificate Authentication). 

But the useful documentation about how to set it up and use it is in section 19.9.3 (Secure TCP/IP Connections with SSL
->Using Client Certificates), where you’re less likely to find it while thinking about authentication. 

Should we add a link from the former to the latter?

Cheers,
  Steve