diff --git a/doc/conffile.rst b/doc/conffile.rst
index 90f5f7a0b2..ab81c92454 100644
--- a/doc/conffile.rst
+++ b/doc/conffile.rst
@@ -23,3 +23,5 @@ You can change the following configuration settings (must be under the ``[ownClo
 - ``maxLogLines`` (default:  ``20000``) -- Specifies the maximum number of log lines displayed in the log window.
 
 - ``chunkSize`` (default:  ``5242880``) -- Specifies the chunk size of uploaded files in bytes.
+
+- ``notificationRefreshInterval`` (default``300,000``)  -- Specifies the default interval of checking for new server notifications.