ALL in SELECT syntax \h psql flawed?

\h select in psql says (among other things)

    [ { UNION | INTERSECT | EXCEPT [ ALL ] } select ]

I think it should read

    [ { UNION | INTERSECT | EXCEPT } [ ALL ] select ]

(the SQL reference says the same thing as psql)

--
Alvaro Herrera (<alvherre[@]atentus.com>)
"La virtud es el justo medio entre dos defectos" (Aristoteles)