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-rw-r--r--doc/src/sgml/ref/vacuumdb.sgml6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/vacuumdb.sgml b/doc/src/sgml/ref/vacuumdb.sgml
index caf97af215..35600ec749 100644
--- a/doc/src/sgml/ref/vacuumdb.sgml
+++ b/doc/src/sgml/ref/vacuumdb.sgml
@@ -131,6 +131,12 @@ PostgreSQL documentation
This size is used to calculate the number of shared buffers which will
be reused as part of this strategy. See <xref linkend="sql-vacuum"/>.
</para>
+ <note>
+ <para>
+ This option is only available for servers running
+ <productname>PostgreSQL</productname> 16 and later.
+ </para>
+ </note>
</listitem>
</varlistentry>