psql doccumentation issue - Mailing list pgsql-hackers

There is some minor issue in psql documentations for \setenv
Attached patch is fixing the same.

Actual option
\setenv NAME [VALUE]   set or unset environment variable


In document

\setenv [ name [ value ] ] --> name is not optional so it should be like below
\setenv name [ value ]


Regards,
Dilip