diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index ea185d4b4c..ee8710d4b5 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -1099,7 +1099,7 @@ set_foreignscan_references(PlannerInfo *root,
 
 	if (fscan->fdw_scan_tlist != NIL || fscan->scan.scanrelid == 0)
 	{
-		/* Adjust tlist, qual, fdw_exprs to reference custom scan tuple */
+		/* Adjust tlist, qual, fdw_exprs to reference foreign scan tuple */
 		indexed_tlist *itlist = build_tlist_index(fscan->fdw_scan_tlist);
 
 		fscan->scan.plan.targetlist = (List *)