+
+## :web_push_encryption, :vapid_details
+
+Web Push Notifications configuration. You can use the mix task `mix web_push.gen.keypair` to generate it.
+
+* ``subject``: a mailto link for the administrative contact. It’s best if this email is not a personal email address, but rather a group email so that if a person leaves an organization, is unavailable for an extended period, or otherwise can’t respond, someone else on the list can.
+* ``public_key``: VAPID public key
+* ``private_key``: VAPID private key
+
+## Pleroma.Captcha
+* `enabled`: Whether the captcha should be shown on registration
+* `method`: The method/service to use for captcha
+* `seconds_retained`: The time in seconds for which the captcha is valid (stored in the cache)
+
+### Pleroma.Captcha.Kocaptcha
+Kocaptcha is a very simple captcha service with a single API endpoint,
+the source code is here: https://github.com/koto-bank/kocaptcha. The default endpoint
+`https://captcha.kotobank.ch` is hosted by the developer.
+
+* `endpoint`: the kocaptcha endpoint to use
+
+## :admin_token
+
+Allows to set a token that can be used to authenticate with the admin api without using an actual user by giving it as the 'admin_token' parameter. Example:
+
+```
+config :pleroma, :admin_token, "somerandomtoken"
+```
+
+You can then do
+```
+curl "http://localhost:4000/api/pleroma/admin/invite_token?admin_token=somerandomtoken"
+```