diff --git a/plotcases.g b/plotcases.g
index b1abb59..aa04809 100644
--- a/plotcases.g
+++ b/plotcases.g
@@ -1,5 +1,8 @@
 #!/usr/bin/gnuplot -persist
 #
+# Plot number of new cases as function of accumulated cases.
+# NOTE: Plot command, labels and arrows might have to be manually adjusted
+#
 #
 #    	G N U P L O T
 #    	Version 5.2 patchlevel 8    last modified 2019-12-01
@@ -12,6 +15,8 @@
 #    	immediate help:   type "help"  (plot window: hit 'h')
 # set terminal qt 0 font "Sans,9"
 # set output
+
+
 date="`date -I`"
 unset clip points
 set clip one
diff --git a/plotdec.g b/plotdec.g
index f2ac34e..6248bdf 100644
--- a/plotdec.g
+++ b/plotdec.g
@@ -1,5 +1,7 @@
 #!/usr/bin/gnuplot -persist
 #
+# Plot number of new deaths as function of accumulated cases.
+# NOTE: Plot command, labels and arrows might have to be manually adjusted
 #
 #    	G N U P L O T
 #    	Version 5.2 patchlevel 8    last modified 2019-12-01