pgsql: doc PG 17 relnotes: wording fix

doc PG 17 relnotes: wording fix

Reported-by: Pantelis Theodosiou

Discussion: /messages/by-id/CAE3TBxxvkSGJGv7S0SMLSAe0khrQJBHsTca799r=vDJTn+BDAw@mail.gmail.com

Backpatch-through: master

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/2b065fc549ed60249f211a7f37f383ff621973ea

Modified Files
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doc/src/sgml/release-17.sgml | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)