diff --git a/config/config.md b/config/config.md
index 165f5d9f8..2fca5baa1 100644
--- a/config/config.md
+++ b/config/config.md
@@ -67,7 +67,8 @@ config :pleroma, Pleroma.Mailer,
 * `avatar_upload_limit`: File size limit of user’s profile avatars
 * `background_upload_limit`: File size limit of user’s profile backgrounds
 * `banner_upload_limit`: File size limit of user’s profile banners
-* `registrations_open`: Enable registrations for anyone, invitations can be used when false.
+* `registrations_open`: Enable registrations for anyone, invitations can be enabled when false.
+* `invites_enabled`: Enable user invitations for admins (depends on `registrations_open: false`).
 * `federating`: Enable federation with other instances
 * `allow_relay`: Enable Pleroma’s Relay, which makes it possible to follow a whole instance
 * `rewrite_policy`: Message Rewrite Policy, either one or a list. Here are the ones available by default:
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index b1e4c77e8..fb3b99d25 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -166,7 +166,8 @@ def config(conn, _params) do
           textlimit: to_string(Keyword.get(instance, :limit)),
           closed: if(Keyword.get(instance, :registrations_open), do: "0", else: "1"),
           private: if(Keyword.get(instance, :public, true), do: "0", else: "1"),
-          vapidPublicKey: vapid_public_key
+          vapidPublicKey: vapid_public_key,
+          invitesEnabled: if(Keyword.get(instance, :invites_enabled, false), do: "1", else: "0")
         }
 
         pleroma_fe = %{