diff --git a/developer_manual/client_apis/WebDAV/basic.rst b/developer_manual/client_apis/WebDAV/basic.rst
index 7aa25b57baa..395d64eace1 100644
--- a/developer_manual/client_apis/WebDAV/basic.rst
+++ b/developer_manual/client_apis/WebDAV/basic.rst
@@ -315,6 +315,9 @@ Supported properties
 +-------------------------------+-------------------------------------------------+--------------------------------------------------------------------------------------+
 | <nc:lock-token>               | The token of the lock.                          | ``files_lock/0e53dfb6-61b4-46f0-b38e-d9a428292998``                                  |
 +-------------------------------+-------------------------------------------------+--------------------------------------------------------------------------------------+
+| <nc:reminder-due-date>        | | The due date of the reminder                  | ``1970-01-01T00:00:00+00:00``                                                        |
+|                               | | as an ISO 8601 formatted string.              |                                                                                      |
++-------------------------------+-------------------------------------------------+--------------------------------------------------------------------------------------+
 
 Listing folders (rfc4918_)
 --------------------------