diff --git a/changelogs/client_server.rst b/changelogs/client_server.rst
index 3c4fbffa..9833662e 100644
--- a/changelogs/client_server.rst
+++ b/changelogs/client_server.rst
@@ -48,6 +48,8 @@ Unreleased changes
     (`#1142 <https://github.com/matrix-org/matrix-doc/pull/1142>`_).
   - Add the ``/register/available`` endpoint for username availability
     (`#1151 <https://github.com/matrix-org/matrix-doc/pull/1151>`_).
+  - Document ``/logout/all`` endpoint
+    (`#1263 <https://github.com/matrix-org/matrix-doc/pull/1263>`_).
 
 r0.3.0
 ======