diff --git a/doc/API-Mastodon.md b/doc/API-Mastodon.md
index a734bd544..37f62e060 100644
--- a/doc/API-Mastodon.md
+++ b/doc/API-Mastodon.md
@@ -119,17 +119,29 @@ These endpoints use the [Mastodon API entities](https://docs.joinmastodon.org/en
 
 ## Currently unimplemented endpoints
 
-These emdpoints are planned to be implemented
+These emdpoints are planned to be implemented somewhere in the future.
 
 - [`PATCH /api/v1/accounts/update_credentials`](https://docs.joinmastodon.org/methods/accounts/)
 - [`GET /api/v1/instance/activity`](https://docs.joinmastodon.org/methods/instance#weekly-activity)
 
+## Dummy endpoints
+
+These endpoints are returning empty data to avoid error messages when using third party clients.
+They refer to features that don't exist in Friendica yet.
+
+- [`GET /api/v1/accounts/:id/identity_proofs`](https://docs.joinmastodon.org/methods/accounts/)
+- [`GET /api/v1/announcements`](https://docs.joinmastodon.org/methods/announcements/)
+- [`GET /api/v1/endorsements`](https://docs.joinmastodon.org/methods/accounts/endorsements/)
+- [`GET /api/v1/filters`](https://docs.joinmastodon.org/methods/accounts/filters/)
+- [`GET /api/v1/markers`](https://docs.joinmastodon.org/methods/timelines/markers/)
+- [`GET /api/v1/scheduled_statuses`](https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/)
+
 ## Non supportable endpoints
 
-These endpoints won't be implemented, since they refer to functionality that doesn't exist in Friendica
+These endpoints won't be implemented at the moment.
+They refer to features that don't exist in Friendica yet.
 
 - [`POST /api/v1/accounts`](https://docs.joinmastodon.org/methods/accounts/)
-- [`GET /api/v1/accounts/:id/identity_proofs`](https://docs.joinmastodon.org/methods/accounts/)
 - [`POST /api/v1/accounts/:id/pin`](https://docs.joinmastodon.org/methods/accounts/)
 - [`POST /api/v1/accounts/:id/unpin`](https://docs.joinmastodon.org/methods/accounts/)
 - [`GET /api/v1/admin/accounts`](https://docs.joinmastodon.org/methods/admin/)
@@ -138,29 +150,24 @@ These endpoints won't be implemented, since they refer to functionality that doe
 - [`GET /api/v1/admin/reports`](https://docs.joinmastodon.org/methods/admin/)
 - [`GET /api/v1/admin/reports/:id`](https://docs.joinmastodon.org/methods/admin/)
 - [`POST /api/v1/admin/reports/:id/{action}`](https://docs.joinmastodon.org/methods/admin/)
-- [`GET /api/v1/announcements`](https://docs.joinmastodon.org/methods/announcements/)
 - [`POST /api/v1/announcements/:id/dismiss`](https://docs.joinmastodon.org/methods/announcements/)
 - [`PUT /api/v1/announcements/:id/reactions/{name}`](https://docs.joinmastodon.org/methods/announcements/)
 - [`DELETE /api/v1/announcements/:id/reactions/{name}`](https://docs.joinmastodon.org/methods/announcements/)
 - [`GET /api/v1/domain_blocks`](https://docs.joinmastodon.org/methods/accounts/domain_blocks/)
 - [`POST /api/v1/domain_blocks`](https://docs.joinmastodon.org/methods/accounts/domain_blocks/)
 - [`DELETE /api/v1/domain_blocks`](https://docs.joinmastodon.org/methods/accounts/domain_blocks/)
-- [`GET /api/v1/endorsements`](https://docs.joinmastodon.org/methods/accounts/endorsements/)
 - [`GET /api/v1/featured_tags`](https://docs.joinmastodon.org/methods/accounts/featured_tags/)
 - [`POST /api/v1/featured_tags`](https://docs.joinmastodon.org/methods/accounts/featured_tags/)
 - [`DELETE /api/v1/featured_tags/:id`](https://docs.joinmastodon.org/methods/accounts/featured_tags/)
 - [`GET /api/v1/featured_tags/suggestions`](https://docs.joinmastodon.org/methods/accounts/featured_tags/)
-- [`GET /api/v1/filters`](https://docs.joinmastodon.org/methods/accounts/filters/)
 - [`GET /api/v1/filters/:id`](https://docs.joinmastodon.org/methods/accounts/filters/)
 - [`POST /api/v1/filters/:id`](https://docs.joinmastodon.org/methods/accounts/filters/)
 - [`PUT /api/v1/filters/:id`](https://docs.joinmastodon.org/methods/accounts/filters/)
 - [`DELETE /api/v1/filters/:id`](https://docs.joinmastodon.org/methods/accounts/filters/)
-- [`GET /api/v1/markers`](https://docs.joinmastodon.org/methods/timelines/markers/)
 - [`POST /api/v1/markers`](https://docs.joinmastodon.org/methods/timelines/markers/)
 - [`GET /api/v1/polls/:id`](https://docs.joinmastodon.org/methods/statuses/polls/)
 - [`POST /api/v1/polls/:id/votes`](https://docs.joinmastodon.org/methods/statuses/polls/)
 - [`POST /api/v1/reports`](https://docs.joinmastodon.org/methods/accounts/reports/)
-- [`GET /api/v1/scheduled_statuses`](https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/)
 - [`GET /api/v1/scheduled_statuses/:id`](https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/)
 - [`PUT /api/v1/scheduled_statuses/:id`](https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/)
 - [`DELETE /api/v1/scheduled_statuses/:id`](https://docs.joinmastodon.org/methods/statuses/scheduled_statuses/)