diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index e93e306b7..96ff679f8 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -758,6 +758,19 @@ which verifies that it can't be accessed directly through the Web server.
 
 Defaults to ``true``
 
+::
+
+	'check_data_directory_permissions' => true,
+
+In rare setups (e.g. on Openshift or docker on windows) the permissions check
+might block the installation while the underlying system offers no means to
+"correct" the permissions. In this case, set the value to false.
+
+In regular cases, if issues with permissions are encountered they should be
+adjusted accordingly. Changing the flag is discouraged.
+
+Defaults to ``true``
+
 ::
 
 	'config_is_read_only' => false,