Add missing article Noticed while reviewing nearby text
Branch ------ REL_10_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/abb17ae010261821c3fb6bf5f16b8bc0e870d276 Modified Files -------------- doc/src/sgml/ddl.sgml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)