diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php
index c84f5d3ee4..9ccd90eed6 100644
--- a/src/Protocol/ActivityPub.php
+++ b/src/Protocol/ActivityPub.php
@@ -42,33 +42,7 @@ use Friendica\Core\Config;
  * https://github.com/tootsuite/mastodon/blob/master/app/lib/activitypub/activity.rb#L26
  *
  * To-do:
- *
- * Receiver:
- * - Update (Image, Video, Article, Note)
- * - Event
- * - Undo Announce
- *
- * Check what this is meant to do:
- * - Add
- * - Block
- * - Flag
- * - Remove
- * - Undo Block
- * - Undo Accept (Problem: This could invert a contact accept or an event accept)
- *
- * Transmitter:
- * - Event
- *
- * Complicated:
- * - Announce
- * - Undo Announce
- *
- * General:
- * - Attachments
- * - nsfw (sensitive)
- * - Queueing unsucessful deliveries
  * - Polling the outboxes for missing content?
- * - Possibly using the LD-JSON parser
  */
 class ActivityPub
 {
diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php
index 5fc4ecbc4b..6b2e02a2c0 100644
--- a/src/Protocol/ActivityPub/Receiver.php
+++ b/src/Protocol/ActivityPub/Receiver.php
@@ -27,7 +27,23 @@ use Friendica\Core\Config;
 use Friendica\Protocol\ActivityPub;
 
 /**
- * @brief ActivityPub Protocol class
+ * @brief ActivityPub Receiver Protocol class
+ *
+ * To-Do:
+ * - Update (Image, Video, Article, Note)
+ * - Event
+ * - Undo Announce
+ *
+ * Check what this is meant to do:
+ * - Add
+ * - Block
+ * - Flag
+ * - Remove
+ * - Undo Block
+ * - Undo Accept (Problem: This could invert a contact accept or an event accept)
+ *
+ * General:
+ * - Possibly using the LD-JSON parser
  */
 class Receiver
 {
diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 17ad0d350f..ee4fe20b9a 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -24,6 +24,18 @@ use Friendica\Model\Profile;
 
 /**
  * @brief ActivityPub Transmitter Protocol class
+ *
+ * To-Do:
+ * - Event
+ *
+ * Complicated:
+ * - Announce
+ * - Undo Announce
+ *
+ * General:
+ * - Attachments
+ * - nsfw (sensitive)
+ * - Queueing unsucessful deliveries
  */
 class Transmitter
 {