pgsql: Fix badly edited doc sentence - Mailing list pgsql-committers

Fix badly edited doc sentence

Noted by Vik Fearing and Robert Haas

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3cabe3863015efc72d513d3aa3b47d03eed96f49

Modified Files
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doc/src/sgml/ref/create_table.sgml | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)