diff --git a/python/fastsim/demos/demo_hev.py b/python/fastsim/demos/demo_hev.py
index 3e4d8ca6..e55ca35f 100644
--- a/python/fastsim/demos/demo_hev.py
+++ b/python/fastsim/demos/demo_hev.py
@@ -30,11 +30,11 @@
 veh = fsim.Vehicle.from_resource("2016_TOYOTA_Prius_Two.yaml")
 # veh_dict = veh.to_pydict(flatten=False)
 # veh_dict['pt_type']['HybridElectricVehicle'][
-#     'pt_cntrl']['Fastsim2']['speed_soc_accel_buffer'] += 0.0
-# speed_accel_soc_buffer = veh_dict['pt_type']['HybridElectricVehicle'][
-#     'pt_cntrl']['Fastsim2']['speed_soc_accel_buffer']
+#     'pt_cntrl']['RGWDB']['speed_soc_disch_buffer'] += 0.0
+# speed_disch_soc_buffer = veh_dict['pt_type']['HybridElectricVehicle'][
+#     'pt_cntrl']['RGWDB']['speed_soc_disch_buffer']
 # veh_dict['pt_type']['HybridElectricVehicle'][
-#     'pt_cntrl']['Fastsim2']['speed_soc_fc_on_buffer'] = speed_accel_soc_buffer * 1.1
+#     'pt_cntrl']['RGWDB']['speed_soc_fc_on_buffer'] = speed_disch_soc_buffer * 1.1
 # veh = veh.from_pydict(veh_dict)
 
 veh_no_save = veh.copy()
@@ -236,7 +236,7 @@ def plot_fc_pwr() -> Tuple[Figure, Axes]:
     )
     ax[2].plot(
         df["cyc.time_seconds"],
-    df["veh.pt_type.HybridElectricVehicle.res.history.soc_accel_buffer"],
+    df["veh.pt_type.HybridElectricVehicle.res.history.soc_disch_buffer"],
         label='f3 accel buffer',
         alpha=0.5,
     )
@@ -361,7 +361,7 @@ def plot_fc_energy() -> Tuple[Figure, Axes]:
     )
     ax[2].plot(
         df["cyc.time_seconds"],
-    df["veh.pt_type.HybridElectricVehicle.res.history.soc_accel_buffer"],
+    df["veh.pt_type.HybridElectricVehicle.res.history.soc_disch_buffer"],
         label='f3 accel buffer',
         alpha=0.5,
     )
@@ -471,7 +471,7 @@ def plot_res_pwr() -> Tuple[Figure, Axes]:
     )
     ax[2].plot(
         df["cyc.time_seconds"],
-    df["veh.pt_type.HybridElectricVehicle.res.history.soc_accel_buffer"],
+    df["veh.pt_type.HybridElectricVehicle.res.history.soc_disch_buffer"],
         label='f3 accel buffer',
         alpha=0.5,
     )
@@ -569,7 +569,7 @@ def plot_res_energy() -> Tuple[Figure, Axes]:
     )
     ax[2].plot(
         df["cyc.time_seconds"],
-    df["veh.pt_type.HybridElectricVehicle.res.history.soc_accel_buffer"],
+    df["veh.pt_type.HybridElectricVehicle.res.history.soc_disch_buffer"],
         label='f3 accel buffer',
         alpha=0.5,
     )