diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index 1b60629b3..ca9a83df8 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -1994,6 +1994,16 @@ use.
 
 The Web server user must have write access to this directory.
 
+::
+
+	'updatedirectory' => '',
+
+Override where Nextcloud stores update files while updating. Useful in situations
+where the default `datadirectory` is on network disk like NFS, or is otherwise
+restricted. Defaults to the value of `datadirectory` if unset.
+
+The Web server user must have write access to this directory.
+
 Hashing
 -------