Обсуждение: pgsql: Fix some grammar in documentation of spgist and pgbench

Fix some grammar in documentation of spgist and pgbench

Discussion: https://postgr.es/m/92961161-9b49-e42f-0a72-d5d47e0ed4de@postgrespro.ru
Author: Liudmila Mantrova
Reviewed-by: Jonathan Katz, Tom Lane, Michael Paquier
Backpatch-through: 9.4

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/0950d25acec66ad02d2fc2d6d75a36ec334ed6f8

Modified Files
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doc/src/sgml/ref/pgbench.sgml |  2 +-
doc/src/sgml/spgist.sgml      | 14 +++++++-------
2 files changed, 8 insertions(+), 8 deletions(-)