m1rc3/norruption/2/plot: corrected terminology and presentation of empirical cdf

m1rc3/norruption/2/plot

@@ -25,7 +25,7 @@ $cmd = "|gnuplot -e '".
     'set xlabel "Power cycles";'.
     'set ylabel "Cumulative probability";'.
     'set key bottom;'.
-    'plot "-" with lines title "Corruptions observed (N='.@f.')", '.
+    'plot "-" with steps title "Empirical distribution (N='.@f.')", '.
       '1-exp(-'.1/$f.'*x) with lines lt 3 '.
       'title "Exponential distribution ({/Symbol l}=1/'.$f.')"'.
     "'";