diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5cc8e3..778e471 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,8 @@
 
 * The high level fetcher `retrieve_remote_content` now supports ActivityPub ID's.
 
+* All ActivityPub payloads are added a `pyfed: https://docs.jasonrobinson.me/ns/python-federation` context to identify payloads sent by this library.
+
 ### Changed
 
 * **Backwards incompatible.** Lowest compatible Python version is now 3.6.
diff --git a/docs/protocols.rst b/docs/protocols.rst
index 15851ba..f310e2a 100644
--- a/docs/protocols.rst
+++ b/docs/protocols.rst
@@ -41,7 +41,12 @@ Features currently supported:
 
    * Actor (Person)
    * Note, Article and Page (Create, Delete, Update)
-     * These become a `Post` or `Comment` depending on `inReplyTo`.
+     * These become a ``Post`` or ``Comment`` depending on ``inReplyTo``.
    * Attachment images from the above objects
    * Follow, Accept Follow, Undo Follow
    * Announce
+
+Namespace
+.........
+
+All payloads over ActivityPub sent can be identified with by checking ``@context`` which will include the ``pyfed: https://docs.jasonrobinson.me/ns/python-federation`` namespace.
diff --git a/federation/entities/activitypub/constants.py b/federation/entities/activitypub/constants.py
index 2a585e5..11671ff 100644
--- a/federation/entities/activitypub/constants.py
+++ b/federation/entities/activitypub/constants.py
@@ -2,7 +2,7 @@ CONTEXT_ACTIVITYSTREAMS = "https://www.w3.org/ns/activitystreams"
 CONTEXT_HASHTAG = {"Hashtag": "as:Hashtag"}
 CONTEXT_LD_SIGNATURES = "https://w3id.org/security/v1"
 CONTEXT_MANUALLY_APPROVES_FOLLOWERS = {"manuallyApprovesFollowers": "as:manuallyApprovesFollowers"}
-CONTEXT_PYTHON_FEDERATION = {"pyfed": "https://jasonrobinson.me/ns/federation"}
+CONTEXT_PYTHON_FEDERATION = {"pyfed": "https://docs.jasonrobinson.me/ns/python-federation"}
 CONTEXT_SENSITIVE = {"sensitive": "as:sensitive"}
 
 CONTEXTS_DEFAULT = [