diff --git a/src/backend/partitioning/partprune.c b/src/backend/partitioning/partprune.c
index 58ec2a684d..c39b618cee 100644
--- a/src/backend/partitioning/partprune.c
+++ b/src/backend/partitioning/partprune.c
@@ -188,7 +188,7 @@ static bool partkey_datum_from_expr(PartitionPruneContext *context,
  * pruning would be useless.
  */
 List *
-make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
+make_partition_pruneinfo(PlannerInfo *root, List *partitioned_rels,
 						 List *subpaths, List *prunequal)
 {
 	RelOptInfo *targetpart = NULL;
@@ -218,9 +218,9 @@ make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
 		relid_subnode_map[pathrel->relid] = i++;
 	}
 
-	/* Likewise for the partition_rels */
+	/* Likewise for the partitioned_rels */
 	i = 1;
-	foreach(lc, partition_rels)
+	foreach(lc, partitioned_res)
 	{
 		Index		rti = lfirst_int(lc);
 
@@ -229,8 +229,8 @@ make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
 		relid_subpart_map[rti] = i++;
 	}
 
-	/* We now build a PartitionPruneInfo for each partition_rels */
-	foreach(lc, partition_rels)
+	/* We now build a PartitionPruneInfo for each partitioned_rels */
+	foreach(lc, partitioned_rels)
 	{
 		Index		rti = lfirst_int(lc);
 		RelOptInfo *subpart = find_base_rel(root, rti);
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h
index f90aa7b2a1..6bec45a2a3 100644
--- a/src/include/nodes/primnodes.h
+++ b/src/include/nodes/primnodes.h
@@ -1593,7 +1593,7 @@ typedef struct PartitionPruneStepCombine
 typedef struct PartitionPruneInfo
 {
 	NodeTag		type;
-	Oid			reloid;			/* Oid of partition rel */
+	Oid			reloid;			/* Oid of the partitioned table */
 	List	   *pruning_steps;	/* List of PartitionPruneStep */
 	Bitmapset  *present_parts;	/* Indexes of all partitions which subnodes
 								 * are present for. */
diff --git a/src/include/partitioning/partprune.h b/src/include/partitioning/partprune.h
index 3d114b4c71..ff034206f7 100644
--- a/src/include/partitioning/partprune.h
+++ b/src/include/partitioning/partprune.h
@@ -62,7 +62,8 @@ typedef struct PartitionPruneContext
 #define PruneCxtStateIdx(partnatts, step_id, keyno) \
 	((partnatts) * (step_id) + (keyno))
 
-extern List *make_partition_pruneinfo(PlannerInfo *root, List *partition_rels,
+extern List *make_partition_pruneinfo(PlannerInfo *root,
+						 List *partitioned_rels,
 						 List *subpaths, List *prunequal);
 extern Relids prune_append_rel_partitions(RelOptInfo *rel);
 extern Bitmapset *get_matching_partitions(PartitionPruneContext *context,