diff --git a/R/plotmggd.R b/R/plotmggd.R
index 2b7eabe96c7dd6af2c053e076b4d593cedecce16..fe5936dbeab96c09acda5996fdbfb150bf04a978 100644
--- a/R/plotmggd.R
+++ b/R/plotmggd.R
@@ -17,12 +17,12 @@ plotmggd <- function(mu, Sigma, beta, xlim = c(mu[1] + c(-10, 10)*Sigma[1, 1]),
   #' @param Sigma symmetric, positive-definite square matrix of order 2. The dispersion matrix.
   #' @param beta positive real number. The shape of the distribution.
   #' @param xlim,ylim x-and y- limits.
-  #' @param n A one or two element vector giving the number of steps in the x and y grid, passed to \code{\link{plot3d.function}}.
+  #' @param n A one or two element vector giving the number of steps in the x and y grid, passed to \code{\link[rgl]{plot3d.function}}.
   #' @param xvals,yvals The values at which to evaluate \code{x} and \code{y}. If used, \code{xlim} and/or \code{ylim} are ignored.
   #' @param xlab,ylab,zlab The axis labels.
-  #' @param col The color to use for the plot. See \code{\link{plot3d.function}}.
+  #' @param col The color to use for the plot. See \code{\link[rgl]{plot3d.function}}.
   #' @param tol tolerance (relative to largest variance) for numerical lack of positive-definiteness in Sigma, for the estimation of the density. see \code{\link{dmggd}}.
-  #' @param ... Additional arguments to pass to \code{\link{plot3d.function}}.
+  #' @param ... Additional arguments to pass to \code{\link[rgl]{plot3d.function}}.
   #' @return Returns invisibly the probability density function.
   #'
   #' @author Pierre Santagostini, Nizar Bouhlel
diff --git a/man/plotmggd.Rd b/man/plotmggd.Rd
index 712c5408f6aed1cf5f862756c556f0e0c4892928..3c18bd24ac9c2c26d0b83fd38bb114da1308df5c 100644
--- a/man/plotmggd.Rd
+++ b/man/plotmggd.Rd
@@ -18,17 +18,17 @@ plotmggd(mu, Sigma, beta, xlim = c(mu[1] + c(-10, 10)*Sigma[1, 1]),
 
 \item{xlim, ylim}{x-and y- limits.}
 
-\item{n}{A one or two element vector giving the number of steps in the x and y grid, passed to \code{\link{plot3d.function}}.}
+\item{n}{A one or two element vector giving the number of steps in the x and y grid, passed to \code{\link[rgl]{plot3d.function}}.}
 
 \item{xvals, yvals}{The values at which to evaluate \code{x} and \code{y}. If used, \code{xlim} and/or \code{ylim} are ignored.}
 
 \item{xlab, ylab, zlab}{The axis labels.}
 
-\item{col}{The color to use for the plot. See \code{\link{plot3d.function}}.}
+\item{col}{The color to use for the plot. See \code{\link[rgl]{plot3d.function}}.}
 
 \item{tol}{tolerance (relative to largest variance) for numerical lack of positive-definiteness in Sigma, for the estimation of the density. see \code{\link{dmggd}}.}
 
-\item{...}{Additional arguments to pass to \code{\link{plot3d.function}}.}
+\item{...}{Additional arguments to pass to \code{\link[rgl]{plot3d.function}}.}
 }
 \value{
 Returns invisibly the probability density function.