[Rd] typo in nls.Rd

[Duncan Murdoch]

On 2/26/2007 6:43 AM, Katharine Mullen wrote:
 > in R version 2.5.0 Under development (unstable) (2007-02-25 r40804),
 > the `formula' entry in the `arguments' section of nls.Rd (L25-26) reads
 >
 > \item{formula}{a nonlinear model \link{formula} including variables and
 >     parameters.  Will be coerced to a formula is necessary.}
 >
 > `is' should be `if'.

Fixed, thanks.

Duncan Murdoch