diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index 761a077..4a50595 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -736,6 +736,10 @@
 # (integer value)
 #max_template_size=524288
 
+# Value must match heat configuration of the same name.
+# (integer value)
+#max_resources_per_stack=1000
+
 
 [queuing]