diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index 69616409e81..dfb90e6e6c0 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -1,4 +1,4 @@ - + Write-Ahead Logging (<acronym>WAL</acronym>) @@ -243,7 +243,7 @@ log (known as the redo record) it should start the REDO operation, since any changes made to data files before that record are already on disk. After a checkpoint has been made, any log segments written - before the redo record are removed, so checkpoints are used to free + before the undo records are removed, so checkpoints are used to free disk space in the WAL directory. (When WAL-based BAR is implemented, the log segments can be archived instead of just being removed.)