Obsolete cross-references to set_append_rel_pathlist in comments

diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index d107d76..3fc2f0c 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -3910,7 +3910,7 @@ set_subquery_size_estimates(PlannerInfo *root, RelOptInfo *rel)
 		 *
 		 * Also, the subquery could be an appendrel for which all branches are
 		 * known empty due to constraint exclusion, in which case
-		 * set_append_rel_pathlist will have left the attr_widths set to zero.
+		 * set_append_rel_size will have left the attr_widths set to zero.
 		 *
 		 * In either case, we just leave the width estimate zero until
 		 * set_rel_width fixes it.
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c
index 404c6f5..4d107a9 100644
--- a/src/backend/optimizer/plan/createplan.c
+++ b/src/backend/optimizer/plan/createplan.c
@@ -3740,7 +3740,7 @@ make_append(List *appendplans, List *tlist)
 	 * any selection or projection, it is a pretty cheap node.
 	 *
 	 * If you change this, see also create_append_path().  Also, the size
-	 * calculations should match set_append_rel_pathlist().  It'd be better
+	 * calculations should match set_append_rel_size().  It'd be better
 	 * not to duplicate all this logic, but some callers of this function
 	 * aren't working from an appendrel or AppendPath, so there's noplace to
 	 * copy the data from.
diff --git a/src/backend/optimizer/prep/prepunion.c b/src/backend/optimizer/prep/prepunion.c
index 8884fb1..ab84494 100644
--- a/src/backend/optimizer/prep/prepunion.c
+++ b/src/backend/optimizer/prep/prepunion.c
@@ -1793,7 +1793,7 @@ adjust_appendrel_attrs_mutator(Node *node,
 
 	/*
 	 * We have to process RestrictInfo nodes specially.  (Note: although
-	 * set_append_rel_pathlist will hide RestrictInfos in the parent's
+	 * set_append_rel_size will hide RestrictInfos in the parent's
 	 * baserestrictinfo list from us, it doesn't hide those in joininfo.)
 	 */
 	if (IsA(node, RestrictInfo))
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c
index 9442e5f..e75f724 100644
--- a/src/backend/optimizer/util/plancat.c
+++ b/src/backend/optimizer/util/plancat.c
@@ -119,7 +119,7 @@ get_relation_info(PlannerInfo *root, Oid relationObjectId, bool inhparent,
 
 	/*
 	 * Estimate relation size --- unless it's an inheritance parent, in which
-	 * case the size will be computed later in set_append_rel_pathlist, and we
+	 * case the size will be computed later in set_append_rel_size, and we
 	 * must leave it zero for now to avoid bollixing the total_table_pages
 	 * calculation.
 	 */