diff --git a/doc/src/sgml/storage.sgml b/doc/src/sgml/storage.sgml
index 6cc0e9cbcd6..09b3f1028c1 100644
--- a/doc/src/sgml/storage.sgml
+++ b/doc/src/sgml/storage.sgml
@@ -672,10 +672,10 @@ data. Empty in ordinary tables.
to this page
- pd_tli
+ pd_checksum
uint16
2 bytes
- TimeLineID of last change (only its lowest 16 bits)
+ Page checksum
pd_flags