pgsql: doc: PG 13 relnotes: fix typos

doc: PG 13 relnotes: fix typos

Reported-by: Daniel Gustafsson

Discussion: /messages/by-id/0A9D816E-F49C-470B-A23F-8B4AF999382B@yesql.se

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/b31d6efe3d06ca5983bbe63084322b5494b7c3ef

Modified Files
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doc/src/sgml/release-13.sgml | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)