diff --git a/doc/src/sgml/ref/pgarchivecleanup.sgml b/doc/src/sgml/ref/pgarchivecleanup.sgml
index db39deaca1..60a7fc4e6b 100644
--- a/doc/src/sgml/ref/pgarchivecleanup.sgml
+++ b/doc/src/sgml/ref/pgarchivecleanup.sgml
@@ -130,11 +130,6 @@ pg_archivecleanup:  removing file "archive/00000001000000370000000E"
         .gz</literal>.
        </para>
 
-       <para>
-        Note that the
-        <filename>.backup</> file name passed to the program should not
-        include the extension.
-       </para>
       </listitem>
      </varlistentry>