diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 04b277d967a834a4c0b4f966840dbbebcb86829c..2a046deee7ca3302fcf55e8ba0d067d351fbc0f1 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -978,13 +978,20 @@ Parameters
   for user authentication and listing.
 
 **xmpp_http_file_share_daily_quota** (integer, optional, ``104857600``)
-  Daily quota for individual users - maximum file size in bytes that a
-  particular user can upload per day (`XEP-0363: HTTP File Upload
-  <https://xmpp.org/extensions/xep-0363.html>`_).
+  Daily quota (in bytes) for users sharing (uploading) files via
+  `XEP-0363: HTTP File Upload
+  <https://xmpp.org/extensions/xep-0363.html>`_.
+
+**xmpp_http_file_share_expiry** (integer, optional, ``604800``)
+  Expiration time (in seconds) for files shared via `XEP-0363: HTTP
+  File Upload <https://xmpp.org/extensions/xep-0363.html>`_. Expired
+  files are removed from the server in order to avoid filling up the
+  disk.
 
 **xmpp_http_file_share_size_limit** (integer, optional, ``10485760``)
-  Maximum file size in bytes to allow for upload (`XEP-0363: HTTP File
-  Upload <https://xmpp.org/extensions/xep-0363.html>`_).
+  Maximum file size (in bytes) for files shared (uploaded) via
+  `XEP-0363: HTTP File Upload
+  <https://xmpp.org/extensions/xep-0363.html>`_.
 
 **xmpp_server_archive_expiration** (string, optional, ``never``)
   Expiration period for messages stored server-side using `XEP-0313: