docs: Fix typo: a -> an
David Rowley
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/3beb46ae8118f64d94518ba105b5e5c79e2ce194
Modified Files
--------------
doc/src/sgml/ddl.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)