diff --git a/doc/src/sgml/ref/checkpoint.sgml b/doc/src/sgml/ref/checkpoint.sgml
index 08dbe62c612..4d39610851d 100644
--- a/doc/src/sgml/ref/checkpoint.sgml
+++ b/doc/src/sgml/ref/checkpoint.sgml
@@ -36,8 +36,8 @@ CHECKPOINT [ ( option [, ...] ) ]
   <para>
    A checkpoint is a point in the write-ahead log sequence at which
    all data files for permanent relations have been updated to reflect the
-   information in the log.  All data for permanent relations files will be
-   flushed to disk, dirty buffers of unlogged relations are not flushed unless
+   information in the log.  All data for permanent relation files will be
+   flushed to disk.  Dirty buffers of unlogged relations are not flushed unless
    <literal>FLUSH_UNLOGGED</literal> is specified.  Refer to
    <xref linkend="wal-configuration"/> for more details about what happens
    during a checkpoint.