diff --git a/contrib/pgstattuple/pgstattuple.c b/contrib/pgstattuple/pgstattuple.c
index 69179d4104..21fdeff8af 100644
--- a/contrib/pgstattuple/pgstattuple.c
+++ b/contrib/pgstattuple/pgstattuple.c
@@ -430,7 +430,7 @@ pgstat_btree_page(pgstattuple_type *stat, Relation rel, BlockNumber blkno,
 		opaque = (BTPageOpaque) PageGetSpecialPointer(page);
 		if (P_IGNORE(opaque))
 		{
-			/* recyclable page */
+			/* deleted or half-dead page */
 			stat->free_space += BLCKSZ;
 		}
 		else if (P_ISLEAF(opaque))
@@ -440,7 +440,7 @@ pgstat_btree_page(pgstattuple_type *stat, Relation rel, BlockNumber blkno,
 		}
 		else
 		{
-			/* root or node */
+			/* internal page */
 		}
 	}