[Rd] typo in ?dimnames

[Tobias Verbeke]

Dear list,

In ?dimnames, section `Value' I read:

 For the '"data.frame"' method both dimnames must be non-null, and
     the rownames must be contain no duplicates nor missing values.
                    ^^^^^^^

Best regards,
Tobias

 > version
              
platform       i486-pc-linux-gnu
arch           i486
os             linux-gnu
system         i486, linux-gnu
status
major          2
minor          3.0
year           2006
month          04
day            24
svn rev        37909
language       R
version.string Version 2.3.0 (2006-04-24)