diff --git a/plotter.py b/plotter.py
index dd0dcea..b257a80 100644
--- a/plotter.py
+++ b/plotter.py
@@ -183,13 +183,13 @@ class Plotter(Aggregator, BaseProcessor):
         "bx_bound": "$B_0$",
         "levelmax": "$l_{\\max}$",
         "levelmin": "$l_{\\min}$",
-        "comp_frac": "$1 - \\zeta$",
+        "comp_frac": "$\chi$",
     }
 
     # Conversion table from namelist values (from amses config file)  into LaTex strings
     value_convert = {
         "sfr_avg_window": lambda x: "${:g}$ Myr".format(80 * x),
-        "bx_bound": lambda x: "${:g}$ $\\mu G$".format(5.267501272979475 * x),
+        "Bx": lambda x: "${:g}$ $\\mu G$".format(7.6189439 * x),
     }
 
     def __init__(