diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index b023322e9..e8a5ef93d 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -2425,6 +2425,8 @@ production systems to only log under some conditions
 
 Limit diagnostics event logging to events longer than the configured threshold in ms
 
+when set to 0 no diagnostics events will be logged
+
 ::
 
 	'profile.enabled' => true,