diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index f93d4fadb..f4e38b0b9 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -1175,6 +1175,27 @@ Value represents the maximum filesize in megabytes
 Default is 10
 Set to -1 for no limit
 
+::
+
+	'filelocking.enabled' => false,
+
+Enables the EXPERIMENTAL file locking.
+
+This is disabled by default as it is experimental.
+
+Prevents concurrent processes to access the same files
+at the same time. Can help prevent side effects that would
+be caused by concurrent operations.
+
+WARNING: EXPERIMENTAL
+
+::
+
+	'memcache.locking' => '\OC\Memcache\Redis',
+
+Memory caching backend for file locking
+Because most memcache backends can clean values without warning using redis is recommended
+
 ::
 
 	'copied_sample_config' => true,