Thread: pgsql: Fix grammatical mistake introduced by previous commit

Fix grammatical mistake introduced by previous commit

Per note from Tom

Branch
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REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/808aa18b3cc87d81fb5640db0635a8d3db2bad52

Modified Files
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doc/src/sgml/ddl.sgml |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)