Use a url instead

A warning on Windows
r-lib/roxygen2#707

R/exporters.R

@@ -74,7 +74,7 @@ exportEventFile <- function(id, format=c("sbgn", "sbml"),
 #' and format is gif, then an animated gif is generated with all the columns.
 #' @param fireworksCoverage set `TRUE` to overlay analysis coverage values in a fireworks image
 #' @param file full path of the output file
-#' @param ... additional parameters passed to \code{\link[magick-editing]{magick::image_write()}}
+#' @param ... additional parameters passed to \href{https://www.rdocumentation.org/packages/magick/topics/editing}{image_write}
 #' @return an image saved into the specified path or a magick image object. 
 #' More magick processing see the \href{https://docs.ropensci.org/magick/}{package}.
 #' @examples