-# Arvados REQUIRES valid SSL to work correctly. Otherwise, some components will
-# fail to communicate and can silently drop traffic. Set USE_LETSENCRYPT="yes"
-# to use the Let's Encrypt salt formula
-# (https://github.com/saltstack-formulas/letsencrypt-formula) to automatically
-# obtain and install SSL certificates for your hostname(s).
+# Arvados requires SSL certificates to work correctly. This installer supports these options:
+# * self-signed: let the installer create self-signed certificate(s)
+# * bring-your-own: supply your own certificate(s) in the `certs` directory