diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index 02f576a1a9..f75527f764 100644
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -237,19 +237,19 @@
- By default, data pages are not protected by checksums, but this can optionally be
- enabled for a cluster. When enabled, each data page will be ASSIGNED a
- checksum that is updated when the page is written and verified each time
+ By default, data pages are not protected by checksums, but this can
+ optionally be enabled for a cluster. When enabled, each data page includes
+ a checksum that is updated when the page is written and verified each time
the page is read. Only data pages are protected by checksums; internal data
structures and temporary files are not.
- Checksums verification is normally ENABLED when the cluster is initialized using initdb.
They can also be enabled or disabled at a later time as an offline
operation. Data checksums are enabled or disabled at the full cluster
- level, and cannot be specified for individual databases or tables.
+ level, and cannot be specified individually for databases or tables.
@@ -260,9 +260,9 @@
- When attempting to recover from corrupt data, it may be necessary to bypass
- the checksum protection. To do this, temporarily set the configuration
- parameter .
+ When attempting to recover from page corruptions, it may be necessary to
+ bypass the checksum protection. To do this, temporarily set the
+ configuration parameter .