diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index baa36a147e4..e34faffce2a 100644
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -547,9 +547,7 @@
from having to do writes. On such systems
one should increase the number of WAL buffers by
modifying the configuration parameter . The default number of WAL
- buffers is 8. Increasing this value will
- correspondingly increase shared memory usage. When
+ linkend="guc-wal-buffers">. When
is set and the system is very busy,
setting this value higher will help smooth response times during the
period immediately following each checkpoint.