service.md

@@ -172,6 +172,7 @@ services, it is estimated that 38% of the documentation is complete.
 [styleguide]: service/styleguide
 [support portal]: service/support
 [svn]: howto/svn
+[vault]: service/vault
 [weather]: service/tor-weather
 [website]: https://gitlab.torproject.org/tpo/web/tpo/
 [apps team builders]: https://gitlab.torproject.org/tpo/applications/tor-browser/-/wikis/Tor-Browser-Build-Machines