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 f024c3ef2596e02d25ea0e06f18271d5175e1510..8cda8d16d17b4428fc006e842304999c4576c4ab 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