diff --git a/Theme-1/changeOverTime/paper/changingPeakDemandMtus1974_2014_v2.0.Rmd b/Theme-1/changeOverTime/paper/changingPeakDemandMtus1974_2014_v2.0.Rmd
index 46421447602917b02aa02ad0d30f26a5cfb9581e..681ae30d4ee9b4d2631974c7a7aa83ba2e97800c 100644
--- a/Theme-1/changeOverTime/paper/changingPeakDemandMtus1974_2014_v2.0.Rmd
+++ b/Theme-1/changeOverTime/paper/changingPeakDemandMtus1974_2014_v2.0.Rmd
@@ -304,8 +304,10 @@ demandCopyright <- paste0(projLoc,"/demandCopyright.Rmd")
 # Parameters ----
 
 # http://www.cookbook-r.com/Graphs/Colors_(ggplot2)/#a-colorblind-friendly-palette
+# with grey
 cbPalette <- c("#999999", "#E69F00", "#56B4E9", "#009E73", "#F0E442", "#0072B2", "#D55E00", "#CC79A7")
 
+# with black
 cbbPalette <- c("#000000", "#E69F00", "#56B4E9", "#009E73", "#F0E442", "#0072B2", "#D55E00", "#CC79A7")
 
 # see also