diff --git a/doc/snac.8 b/doc/snac.8
index 2f60c96..38c9a90 100644
--- a/doc/snac.8
+++ b/doc/snac.8
@@ -179,6 +179,11 @@ By setting this to true, no email notification will be sent for any user.
 .It Ic disable_inbox_collection
 By setting this to true, no inbox collection is done. Inbox collection helps
 being discovered from remote instances, but also increases network traffic.
+.It Ic admin_email
+The email address of the instance administrator (optional).
+.It Ic admin_account
+The user name of the instance administrator (optional, used only in the
+Mastodon API).
 .El
 .Pp
 You must restart the server to make effective these changes.