diff --git a/src/core/system.conf b/src/core/system.conf
index c30c595413..50668e12c4 100644
--- a/src/core/system.conf
+++ b/src/core/system.conf
@@ -40,6 +40,7 @@
 #DefaultCPUAccounting=no
 #DefaultBlockIOAccounting=no
 #DefaultMemoryAccounting=no
+#DefaultTasksAccounting=no
 #DefaultLimitCPU=
 #DefaultLimitFSIZE=
 #DefaultLimitDATA=