The string @var{staffname} is the name of the staff. It switches the
current voice from its current staff to the Staff called
@var{staffname}. Typically @var{staffname} is @code{"up"} or
-@code{"down"}. The @context{Staff} referred to must already exist, so
+@code{"down"}. The @code{Staff} referred to must already exist, so
usually the setup for a score will start with a setup of the staves,
@example
@end example
-and the @context{Voice} is inserted afterwards
+and the @code{Voice} is inserted afterwards
@example
\context Staff = down