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.GB26620@telsasoft.com
Backpatch-through: 13, where -B was made optional
Branch
------
REL_14_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/e286be5d05311ec060a4359fcbc53eb98b914d42
Modified Files
--------------
doc/src/sgml/ref/pgupgrade.sgml | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)