diff --git a/doc/src/sgml/backup.sgml b/doc/src/sgml/backup.sgml
index 96418e2ca0..843dc3de9f 100644
--- a/doc/src/sgml/backup.sgml
+++ b/doc/src/sgml/backup.sgml
@@ -1272,7 +1272,7 @@ restore_command = 'gunzip < /mnt/server/archivedir/%f | pg_decompresslog - %p
archive_command, so that their
postgresql.conf> entry looks very simple:
-archive_command = 'local_backup_script.sh'
+archive_command = 'local_backup_script.sh "%p" "%f"'
Using a separate script file is advisable any time you want to use
more than a single command in the archiving process.