fix example

Author: cpsievert

R/layout.R

@@ -106,7 +106,7 @@ rangeslider <- function(p, start = NULL, end = NULL, ...) {
 #' @examples
 #' 
 #' # remove the plotly logo and collaborate button from modebar
-#' config(p, displaylogo = FALSE, collaborate = FALSE)
+#' config(plot_ly(), displaylogo = FALSE, collaborate = FALSE)
 #' 
 #' # enable mathjax
 #' # see more examples at https://plot.ly/r/LaTeX/