pgsql: Document that psql's \d also works with composite types

Document that psql's \d also works with composite types

This has always been true, it was just never documented.

Branch
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REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/b48f888b644fb667dd87dc9c45d18890397d14a8

Modified Files
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doc/src/sgml/ref/psql-ref.sgml |    4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)