diff --git a/src/backend/access/nbtree/nbtree.c b/src/backend/access/nbtree/nbtree.c
index 19a5b39867..542ed43984 100644
--- a/src/backend/access/nbtree/nbtree.c
+++ b/src/backend/access/nbtree/nbtree.c
@@ -217,9 +217,9 @@ btbuildempty(PG_FUNCTION_ARGS)
 					BTREE_METAPAGE, metapage, false);
 
 	/*
-	 * An immediate sync is require even if we xlog'd the page, because the
+	 * An immediate sync is required even if we xlog'd the page, because the
 	 * write did not go through shared_buffers and therefore a concurrent
-	 * checkpoint may have move the redo pointer past our xlog record.
+	 * checkpoint may have moved the redo pointer past our xlog record.
 	 */
 	smgrimmedsync(index->rd_smgr, INIT_FORKNUM);