diff --git a/NEWS b/NEWS
index e89a766..6264489 100644
--- a/NEWS
+++ b/NEWS
@@ -22,5 +22,5 @@
 * Minor doc updates
 
 ## v1.3.0 (17 oct 2018)
-* New function `cascadePlot`
+* New function `cascadePlot` to visualize the climate change modelling uncertainty cascade.
 
diff --git a/R/cascadePlot.R b/R/cascadePlot.R
index 58cf079..47eff4d 100644
--- a/R/cascadePlot.R
+++ b/R/cascadePlot.R
@@ -39,14 +39,16 @@
 #' @param density.reverse Logical (default = TRUE). If TRUE plot the PDF upside down.
 
 #' @export
+#' @importFrom grDevices rainbow
+#' @importFrom graphics segments 
 
 #' @family visualization functions
 
-#' @author J. Fernandez \email{jesus.fernandez@@unican.es} and M.D. Frias based on the
+#' @author J. Fernández \email{jesus.fernandez@@unican.es} and M.D. Frías based on the
 #' visualization proposed by Ed Hawkins on his Climate Lab Book http://www.climate-lab-book.ac.uk/2014/cascade-of-uncertainty
 #'
 #' @references Hawkins E. 2014. Climate Lab Book. http://www.climate-lab-book.ac.uk/2014/cascade-of-uncertainty
-#' @references Fernandez, J., Frias, M.D., Cabos, W.D. et al. 2018. Consistency of climate change
+#' @references Fernández, J., Frías, M.D., Cabos, W.D. et al. 2018. Consistency of climate change
 #' projections from multiple global and regional model intercomparison projects. Clim Dyn. https://doi.org/10.1007/s00382-018-4181-8
 #'
 #' @examples \dontrun{
@@ -60,7 +62,6 @@
 #' cascadePlot(sdeltas, factors, multimip.stages, title=title, density.offset=2)
 #' } 
 
-
 cascadePlot <- function(x, factors, stages = NULL, labels = FALSE, label.names = NULL, colors=NULL, title = NULL, line.width = NULL, plot.density = TRUE, density.offset=0, density.reverse=TRUE){
       if (is.null(stages)) {
         stages <- names(factors)
diff --git a/R/side.density.R b/R/side.density.R
index c6e9e6c..d6b3f06 100644
--- a/R/side.density.R
+++ b/R/side.density.R
@@ -15,8 +15,9 @@
 #'   relative to the bottom part of the plot. Default is 0.
 #' @param density.reverse Logical (default = FALSE). If TRUE plot the PDF upside down.
 #' @details The function is intended for internal use only. The function adds the PDF to the cascade plot.
-#'  @author J. Fernandez and M.D. Frias 
+#'  @author J. Fernández and M.D. Frías 
 #'  @keywords internal
+#'  @importFrom stats density 
 
 side.density <- function(x, horiz=TRUE, col="black", scale=0.1, alpha=0.3, 
   shades = FALSE, prob=c(0.25,0.5,0.75), density.offset=0, density.reverse=FALSE)