diff --git a/ql/src/test/queries/clientpositive/cbo_order_distribute_sort_cluster_by_cnst.q b/ql/src/test/queries/clientpositive/cbo_order_distribute_sort_cluster_by_cnst.q
index b2af6e1251f4..15073b1d2c0d 100644
--- a/ql/src/test/queries/clientpositive/cbo_order_distribute_sort_cluster_by_cnst.q
+++ b/ql/src/test/queries/clientpositive/cbo_order_distribute_sort_cluster_by_cnst.q
@@ -1,3 +1,4 @@
+-- When orderby.position.alias is disabled, we expect no operation to occur if a constant integer is specified as a key.
 set hive.orderby.position.alias=false;
 
 create table t1 (a string, b int, c int);