diff --git a/api-ref/source/servers.inc b/api-ref/source/servers.inc
index f80ad5991285..afbb2cf18f8f 100644
--- a/api-ref/source/servers.inc
+++ b/api-ref/source/servers.inc
@@ -154,7 +154,9 @@ There is whitelist for valid filter keys. Any filter key other than from
 whitelist will be silently ignored.
 
 - For non-admin users, whitelist is different from admin users whitelist.
-  Valid whitelist for non-admin users includes
+  The valid whitelist can be configured using the
+  ``os_compute_api:servers:allow_all_filters`` policy rule. By default,
+  the valid whitelist for non-admin users includes
 
   - ``all_tenants``
   - ``changes-since``