diff --git a/src/backend/access/heap/rewriteheap.c b/src/backend/access/heap/rewriteheap.c
index 306e74ea103..d41dbcf5f72 100644
--- a/src/backend/access/heap/rewriteheap.c
+++ b/src/backend/access/heap/rewriteheap.c
@@ -703,10 +703,9 @@ raw_heap_insert(RewriteState state, HeapTuple tup)
 							true);
 
 			/*
-			 * Now write the page. We say isTemp = true even if it's not a
-			 * temp table, because there's no need for smgr to schedule an
-			 * fsync for this write; we'll do it ourselves in
-			 * end_heap_rewrite.
+			 * Now write the page. We say skipFsync = true because there's no
+			 * need for smgr to schedule an fsync for this write; we'll do it
+			 * ourselves in end_heap_rewrite.
 			 */
 			RelationOpenSmgr(state->rs_new_rel);
 
diff --git a/src/backend/catalog/storage.c b/src/backend/catalog/storage.c
index b8c9b6f9c68..625af8d49a1 100644
--- a/src/backend/catalog/storage.c
+++ b/src/backend/catalog/storage.c
@@ -390,9 +390,9 @@ RelationCopyStorage(SMgrRelation src, SMgrRelation dst,
 		PageSetChecksumInplace(page, blkno);
 
 		/*
-		 * Now write the page.  We say isTemp = true even if it's not a temp
-		 * rel, because there's no need for smgr to schedule an fsync for this
-		 * write; we'll do it ourselves below.
+		 * Now write the page.  We say skipFsync = true because there's no
+		 * need for smgr to schedule an fsync for this write; we'll do it
+		 * ourselves below.
 		 */
 		smgrextend(dst, forkNum, blkno, buf.data, true);
 	}