Docs: adjust pg_upgrade syntax to mark -B as optional

This was made optional in 959f6d6a1.

Author: Justin Pryzby
Discussion: https://postgr.es/m/20220411020336[email protected]
Backpatch-through: 13, where -B was made optional

diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
index 20efdd771f513ed249748663c9e67814af95f8c5..301167c05259046eb7d6bb85e626c2ef2d019f7a 100644 (file)
--- a/doc/src/sgml/ref/pgupgrade.sgml
+++ b/doc/src/sgml/ref/pgupgrade.sgml
@@ -24,8 +24,7 @@ PostgreSQL documentation
    pg_upgrade
    -b
    oldbindir
-   -B
-   newbindir
+   -B newbindir
    -d
    oldconfigdir
    -D